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        <eadid countrycode="US" mainagencycode="US-txuaglo" encodinganalog="852$a">urn:taro:txglo.00008</eadid>
        <filedesc>
            <titlestmt>
                <titleproper>A Guide to the Twichell Survey Records, 1832-1984
                    
                </titleproper>
                <titleproper type="filing">Twichell Survey Records</titleproper>
                <author>Finding aid prepared by Lauren Goodley</author>
            </titlestmt>
            <editionstmt>
                <p>First edition.</p>
            </editionstmt>
            <publicationstmt>
                <publisher>Texas General Land Office Archives and Records Program</publisher>
                <address>
                    <addressline>Stephen F. Austin State Office Building</addressline>
                    <addressline>1700 N. Congress Avenue, Suite 130</addressline>
                    <addressline>Austin, Texas, 78701-1495</addressline>
                    <addressline>(512) 463-5277</addressline>
                    <addressline>archives@glo.texas.gov </addressline>
                </address>
                <date>2012-09-17</date>
            </publicationstmt>
        </filedesc>
        <profiledesc>
            <creation>This finding aid was produced using the Archivists' Toolkit
                <date>2013-02-14T11:51-0600</date>
            </creation>
            <langusage><language>English</language></langusage>
            <descrules>Describing Archives: A Content Standard</descrules>
        </profiledesc>
    </eadheader>
    <archdesc type="inventory" level="collection">
        <did>
	<head>Overview</head>
   	<unittitle encodinganalog="245" label="Title:">Twichell Survey Records</unittitle>
            <unitid>AR.16.TSR</unitid>
            <repository label="Repository:" encodinganalog="852$a"><extref href="http://www.glo.texas.gov/what-we-do/history-and-archives/" show="new" actuate="onrequest"><corpname>Texas General Land Office, <subarea>Archives &amp; Records</subarea></corpname></extref></repository>
            
            <physdesc label="Quantity:" encodinganalog="300$a">120.22 Linear feet, (122 document boxes, 34 flat files, 4 photograph boxes, 24 slide boxes, 2 oversized boxes)</physdesc>
            <unitdate type="inclusive" encodinganalog="245$f" label="Inclusive Dates:">1832-1984</unitdate>
            <abstract label="Abstract:" encodinganalog="520$a">In attempts to verify and prove land ownership and boundaries, Humble Oil acquired surveying records related to lands primarily in West Texas. The Twichell Survey Records Committee was created to manage the Twichell Records, and all surveying records held by Humble and the Committee became known as the Twichell Survey Records. The Twichell Survey Records Committee was created in 1959 by a legal agreement between six oil companies for the purpose of managing the Twichell Survey Records. Surveying sketches, cadastral maps, town and neighborhood plats, field books, field notes, correspondence, and photographic materials comprise the Twichell Survey Records, 1832-1984.</abstract>
            <physloc label="Location:">Map Vault, OVR</physloc>
            <langmaterial label="Language:">Materials are written in <language langcode="eng">English.</language></langmaterial>
            <origination label="Creator:">
                <corpname encodinganalog="110"  source="lca" >Humble Oil &amp; Refining Company.</corpname>
            </origination>
            <origination label="Creator:">
                <corpname encodinganalog="110"  source="local" >Twichell Survey Records Committee.</corpname>
            </origination>
        </did>
        <bioghist id="ref480">
            <head>Administrative History - Twichell Survey Records Committee</head>
            <p>Humble Oil &amp; Refining Company was chartered in 1911 in Humble, Texas. In attempts to verify and prove land ownership and boundaries, Humble Oil acquired surveying records related to lands primarily in West Texas. The Twichell Survey Records Committee was created to manage the Twichell Records, and all surveying records held by Humble and the Committee became known as the Twichell Survey Records.</p>
            <p>In attempts to verify and prove land ownership and boundaries, Humble Oil acquired surveying records related to lands primarily in West Texas. The Twichell Survey Records Committee was created to manage the Twichell Records, and all surveying records held by Humble and the Committee became known as the Twichell Survey Records.</p>
            <p>The Twichell Survey Records Committee was created in 1959 by a legal agreement between six oil companies for the purpose of using and managing the Twichell Survey Records, jointly acquired by these companies.</p>
            <p>The agreement determined joint ownership, stewardship, and access to the records. Humble Oil was designated custodian, and was responsible for storing and making the records available to the rest of the Committee. Records were declared confidential and access limited to those on the Committee or to those with stated permission from a Committee member. C. C. Cool, licensed land surveyor in Midland, Texas, was not a Committee member, but was given access to the records in return for his role in the acquisition of the records.</p>
            <p>The six companies that made up the Committee were The Atlantic Refining Company; Continental Oil Company; Gulf Oil Corporation; Humble Oil &amp; Refining Company; Mobil Oil Company; and Sinclair Oil &amp; Gas Company.</p>
            <p></p>
            <p></p>
        </bioghist>
        <bioghist id="ref533">
            <head>Biographical Note - Twichell, W. D. (Willis Day), 1864-1959</head>
            <p>W. D. (Willis Day) Twichell, 1864-1959, influential surveyor in West Texas and the Texas high plains area, is credited with platting 50 Texas towns and surveying 15 million acres of Texas land. He is famous for introducing cadastral surveying to Texas and for correcting many earlier faulty survey lines.</p>
            <p>Twichell surveyed lands in over half of Texas counties, including the XIT ranch and other Panhandle and West Texas ranch lands, oil vacancies, the 103rd meridian which marks the boundary between Texas and New Mexico, numerous city plats and boundaries for organizing counties. He surveyed lands for the Capitol Freehold Land and Investment Company, Texas and Pacific Railroad, George Littlefield; and worked as a state surveyor surveying public school lands, and as a county surveyor.</p>
            <p>Twichell was born in Minnesota and earned a master’s degree in civil engineering at the National Normal Institue in Ohio. He came to West Texas in 1885 under the employ of an immigration company to plat a county seat. Twichell then worked for William S. Mabry, a surveyor employed by the Capitol Syndicate to re-survey the XIT Ranch lands. Twichell surveyed the Yellow House Division and Spring Lakes Division of the XIT in 1886, locating fence lines and divisional headquarters, and supervising improvements such as water reservoirs. Twichell and Mabry then conducted right of way surveys for Fort Worth &amp; Denver City Railroad in 1887, and Southern Pacific Railroad in 1888, significantly changing the Southern Pacific route.</p>
            <list numeration="lowerroman" type="ordered">
                <head>Chronology</head>
                <item>1885-Came to Texas, staked out proposed county seat of Garden City, Glasscock County</item>
                <item>1887-With William S. Mabry, conducted right of way surveys for Fort Worth &amp; Denver City</item>
                <item>1887-Located corner of Amarillo; Potter County organizes</item>
                <item>1888-Opens an office in Tascosa with parter W.S. Mabry (Oldham Land District)</item>
                <item>1889-Dissolves partnership with Mabry</item>
                <item>1899-1891- City engineer for Amarillo</item>
                <item>1890- Moves office to Amarillo</item>
                <item>1892-1893- County surveyor in Potter County</item>
                <item>1893- Helps plat Enid, OK</item>
                <item>1898-Surveys LIT ranch for Littlefield, graded Polk Street in the town of Littlefield</item>
                <item>1900-1914- Resurveys Capitol Lands</item>
                <item>1901-State surveyor</item>
                <item>1918-Moves to Austin</item>
                <item>1901-Works for TPRR</item>
                <item>1905-Works for C.W. Post</item>
                <item>1907-Works for Kokernot Ranch</item>
                <item>1914-State survyor for Potter and other counties</item>
                <item>1939-1959 Retires, does consulting work from San Angelo</item>
            </list>
        </bioghist>
        <bioghist id="ref534">
            <head>Biographical Note - Sanders, Sylvan, 1894-1984</head>
            <p>Sylvan Sanders, 1894-1984, was a Licensed State Surveyor in Lubbock County. He was an apprentice to and good friend of W.D. Twichell. Sanders first worked for Twichell in 1912 platting the town of Littlefield, and then on the re-survey of the XIT Ranch in 1914-1916. He went on to become a respected surveyor in his own right. Sanders served in the American Expeditionary Force, 23rd Highway Engineers Regiment in France during World War I.</p>
        </bioghist>
        <bioghist id="ref535">
            <head>Biographical Note - Estes, Robert E., d. 1952</head>
            <p>Licensed State Surveyor in Midland County, surveyed areas in West Texas in the first half of the 20th century. He began his career in 1900 as an assistant to Col. D. S. Woods who was then surveying public school lands for the state. Towards the end of his career, Robert E. Estes had a consulting firm called Estes and Rankin which operated out of Midland, Texas.</p>
        </bioghist>
        <bioghist id="ref536">
            <head>Biographical Note - Estes, Robert A., 1910-2003</head>
            <p>R. A. Estes, 1910-2003, son of Robert E. Estes, was an engineer for Humble Oil &amp; Refining Company. He began his career as a chain carrier on surveying crews as early as 1928. In 1969 he was a Senior Supervising Engineer at Humble Oil. He served on the Twichell Records Committee.</p>
        </bioghist>
        <bioghist id="ref537">
            <head>Biographical Note - Saunders, Edgar C.</head>
            <p>Edgar C. Saunders, Licensed Land Surveyor and County Surveyor of Sutton County, was an active surveyor in West Texas.</p>
        </bioghist>
        <appraisal id="ref477">
            <head>Appraisal</head>
            <p>During processing, maps created by the General Land Office were identified and compared with GLO holdings. If found to be duplicates, with no added notations, these maps were documented and deaccessioned.</p>
        </appraisal>
        <altformavail id="ref513">
            <head>Digital Copies</head>
            <p>Digital copies of Maps in Series I: Twichell Records and Series II: Sylvan Sanders Records are available for search and viewing at the Archives web site, however there is no way to search within the collection of Twichell Survey Records maps.</p>
            <p>To view a listing of all 3,256 digitized maps associated with the Records, 
                <extref actuate="onRequest" show="new" href="http://www.glo.texas.gov/cf/ArcMaps/ArcMapsCollectionList.cfm?ty=other&amp;var=Twichell%20Survey%20Records">click here to open a session</extref>, then 
                <extref actuate="onRequest" show="new" href="http://www.glo.texas.gov/cf/ArcMaps/ArcMapsCollectionList.cfm?ty=other&amp;var=Twichell%20Survey%20Records">click here to view the Twichell Survey Records maps</extref>.</p>
        </altformavail>
        <otherfindaid id="ref476">
            <head>Indexes</head>
            <p>Indexes to materials in Series I: Twichell Records are available in paper format in Box 130.</p>
            <p>The Map Index is available in print format in Box 129. Indexes to materials including maps in Series II: Sylvan Sanders Records are available in paper format in Box 131.</p>
            <p>A folder list for Series III: Robert E. Estes Records is available in paper format.</p>
            <p>All indexes can be accessed in the GLO research room.</p>
        </otherfindaid>
        <accessrestrict id="ref474">
            <head>Access Restriction</head>
            <p>Unrestricted access</p>
        </accessrestrict>
        <arrangement id="ref473">
            <head>Arrangement</head>
            <p>Records are arranged in 7 series:</p>
            <p>I: W.D. Twichell Records</p>
            <p>II: Sylvan Sanders Records</p>
            <p>III: Robert E. Estes Records</p>
            <p>IV: Edgar C. Saunders Records</p>
            <p>V: Robert A. Estes Humble Research Files</p>
            <p>VI: Photographic Materials</p>
            <p>VII: Administrative Records</p>
            <p>Materials are arranged as they were received from the donors. This arrangement reflects the use by the donors, and ensures access via donor indexes.</p>
            <p>Individual maps and folders within the sub-series Maps, Correspondence, and Field Books are either arranged by county and block or area, or are indexed by county and block or area. Photographic Materials are arranged by state, county, and block or area.</p>
        </arrangement>
        <userestrict id="ref486">
            <head>Use Restriction</head>
            <p>Materials may be under copyright protection. US copyright law does allow for reproduction of materials under copyright for uses such as critique, criticism, news reporting, teaching (including multiple copies for classroom use), scholarship, or research. The researcher has full responsibility for determining copyright status, locating copyright holders, and abiding by current copyright laws when publishing or displaying copies of Special Collections material in print or electronic form.</p>
        </userestrict>
        <scopecontent id="ref472">
            <head>Scope and Contents of the Records</head>
            <p>Surveying sketches, cadastral maps, town and neighborhood plats, field books, field notes, correspondence, and photographic materials comprise the Twichell Survey Records. The Records document surveys of public and private land, land use and development, and the business of land surveying in West Texas from the frontier era through the settlement and oil period. Dates of recordkeeping activities are approximately 1900-1960, however, there are copies of maps, sketches, and field books from as early as 1832. Administrative records are dated as late as 1984.</p>
            <p>Geographic coverage includes West Texas and the Texas High Plains, including 132 counties, and limited coverage of Oklahoma, New Mexico, and Arizona.</p>
            <p>Significant documentation includes surveys of state-owned University Land and Public School Lands, Texas and Pacific Railway reservation lands, Texas and Pacific Railway lands, various town plats of Lubbock, and lands formerly part of the XIT Ranch. Records also include surveys of Littlefield lands, copies of Jacob Kuechler field books, correspondence between surveyors and clients, between surveyors and the Texas General Land Office, and photographic evidence of surveying monuments.</p>
            <p>Maps vary widely in their coverage, style, purpose, and degree of completeness. Many maps may be more accurately called sketches or surveying sketches, as they appear to be made in the field or as short annotations used for reference when later creating maps to accompany official field notes.</p>
            <p>Materials are not complete archives of individual surveyors, but rather business records created or compiled by the surveyors. Personal papers are not part of this collection.</p>
        </scopecontent>
        <custodhist id="ref490">
            <head>Custodial History</head>
            <p>A consortium of oil companies headed by Humble Oil &amp; Refining Company collected the Twichell and Sanders Records under the auspices of the Twichell Survey Records Committee. The Robert E. Estes papers were acquired by Humble Oil. All other materials were held by Humble Oil.</p>
            <p>The collection materials changed location several times, which is documented in the Administrative Records. The records were always owned and managed by Humble Oil and the Twichell Survey Records Committee, until they were acquired by the Texas General Land Office Archives and Records.</p>
        </custodhist>
        <acqinfo id="ref484">
            <head>Immediate Source of Acquisition</head>
            <p>Ownership of records was transferred to the Texas General Land Office Archives and Records on August 25, 2010 by Humble Oil &amp; Refining Company and the Twichell Survey Records Committee.</p>
        </acqinfo>
        <relatedmaterial id="ref485">
            <head>Related Materials</head>
            <p>The Texas General Land Office Archives and Records holds land grant documents, maps, and sketches related to land now known as Texas as it passed from the sovereign, including Spain, Mexico, the Republic of Texas, and the State of Texas, into private hands. Please visit the Texas General Land Office Archives and Records in person or on the web at 
                <extref actuate="onRequest" show="new" title="http://www.glo.texas.gov/what-we-do/history-and-archives/index.html" href="http://www.glo.texas.gov/what-we-do/history-and-archives/index.html">http://www.glo.texas.gov/what-we-do/history-and-archives/index.html</extref></p>
            <p>The 
                <extref actuate="onRequest" show="new" title="http://panhandleplains.org" href="http://panhandleplains.org">Panhandle-Plains Historical Museum</extref> holds the records of the XIT Ranch.</p>
        </relatedmaterial>
        <prefercite id="ref489">
            <head>Preferred Citation</head>
            <p>Twichell Survey Records (AR.16.TSR). Archives and Records Program, Texas General Land Office, Austin.</p>
        </prefercite>
        <processinfo id="ref491">
            <head>Processing Information</head>
            <p>Processed by Lauren Goodley, Alex Chiba, Ileana Gutierrez, and Jan Root in 2010-2011.</p>
        </processinfo>
        <separatedmaterial id="ref518">
            <head>Separated Materials</head>
            <p>One photo album labeled W.D. Twichell with dups and negs and IDs taken from Twichell Field Book #10. Now located in Box 133.</p>
        </separatedmaterial>
        <controlaccess>
<head>Index Terms</head>
<controlaccess>
            <persname encodinganalog="600" source="lca" >Estes, R. A., 1910-2003</persname>
            <persname encodinganalog="600" source="local" >Estes, Robert E. , d. 1952</persname>
            <persname encodinganalog="600" source="local" >Sanders, Sylvan, 1894-1984</persname>
            <persname encodinganalog="600" source="local" >Saunders, Edgar C.</persname>
            <persname encodinganalog="600" rules="dacs" source="local" >Twichell, W.D.,  (Willis Day), 1864-1959</persname>
            <geogname encodinganalog="655" source="local">103rd Meridian</geogname>
            <genreform encodinganalog="651" source="lcsh">Cadastral maps</genreform>
            <genreform encodinganalog="651" source="lcsh">Cadastral surveys</genreform>
            <genreform encodinganalog="651" source="lcsh">Correspondence</genreform>
            <genreform encodinganalog="651" source="lcsh">Maps</genreform>
            <geogname encodinganalog="655" source="lcsh">New Mexico Maps</geogname>
            <geogname encodinganalog="655" source="lcsh">Oklahoma Maps</geogname>
            <genreform encodinganalog="651" source="aat">Photographic materials</genreform>
            <subject encodinganalog="650" source="lcsh">Surveying--Texas</subject>
            <geogname encodinganalog="655" source="lcsh">Texas</geogname>
            <geogname encodinganalog="655" source="local">Texas High Plains</geogname>
            <geogname encodinganalog="655" source="lcsh">Texas Panhandle</geogname>
            <geogname encodinganalog="655" source="lcsh">Texas, West</geogname>
            <subject encodinganalog="650" source="lcsh">Texas, West--History</subject>
            <geogname encodinganalog="655" source="lcsh">Texas--Boundaries--Maps</geogname>
            <geogname encodinganalog="655" source="lcsh">Texas--Boundaries--New Mexico</geogname>
            <geogname encodinganalog="655" source="tgn">Trans-Pecos</geogname>
        </controlaccess>
        </controlaccess>
<dsc>
            <c01 id="ref1" level="series">
                <did>
                    <unittitle>W. D. Twichell Records</unittitle>
                    <langmaterial>
                        <language langcode="eng"/>
                    </langmaterial>
                    <physdesc>
                        <extent>(25 flat files, 54 document boxes, 3 oversized boxes)</extent>
                    </physdesc>
                    <unitdate>1832-1953</unitdate>
                </did>
                <scopecontent id="ref532">
                    <head>Scope and Content of the Series</head>
                    <p>Maps very widely in their coverage, style, purpose, and degree of completeness. Many maps may be more accurately called sketches or surveying sketches, as they appear to be made in the field or as short annotations used for reference when later creating maps to accompany official field notes.</p>
                    <p>Correspondence Series contains correspondence between Twichell and his clients, his surveyors, and the GLO. Folders also contain maps and sketches of particular land blocks or areas. Folders are labeled by Index Number range, i. e. A 1-90. Because folders contain multiple non-consecutive dates, the Box/Folder list will not contain dates.</p>
                    <p>Maps and correspondence regarding particular land blocks or areas can be found using the printed Twichell Correspondence Index in box 130. The Index is arranged by primarily by County.</p>
                    <p>Field Books Series contains field books created by Twichell and other surveyors from 1874 to 1941. Box 54 is labeled and indexed as Twichell Field Books 219-251; however it contains Texas &amp; Pacific Railroad strip maps, 1851.</p>
                </scopecontent>
                <c02 id="ref449" level="subseries">
                    <did>
                        <unittitle>Twichell Indexes</unittitle>
                        <container type="Box">136; 129-131</container>
                        
                        <unitdate>1960</unitdate>
                    </did>
                    <c03 id="ref451" level="file">
                        <did>
                            <unittitle>Map Index</unittitle>
                            <container type="Box">129</container>
                            
                            <unitdate>1960</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref499" level="file">
                        <did>
                            <unittitle>Correspondence Index</unittitle>
                            <container type="Box">130-131</container>
                            
                            <unitdate>1960</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref452" level="file">
                        <did>
                            <unittitle>Field Book Indexes</unittitle>
                            <container type="Box">131136</container>
                            
                            <unitdate>1938; 1960</unitdate>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref5" level="subseries">
                    <did>
                        <unittitle>Twichell Maps, 
                            <extref actuate="onRequest" show="replace" href="#adminlink">See Administrative Information - Digital Copies</extref>,</unittitle>
                        <container type="Map-case">1, 70-71, 93-94</container>
                        
                        <unitdate>1837-1950</unitdate>
                    </did>
                </c02>
                <c02 id="ref3" level="subseries">
                    <did>
                        <unittitle>Twichell Correspondence, A-Z,</unittitle>
                        <langmaterial>
                            <language langcode="eng"/>
                        </langmaterial>
                        
                        <unitdate>1832-1953</unitdate>
                    </did>
                    <c03 id="ref540" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, A 1-293</unittitle>
                            <container type="Box">1</container>
                            <container type="Folder">1-3</container>
                        </did>
                    </c03>
                    <c03 id="ref544" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, B 1-355</unittitle>
                            <container type="Box">1</container>
                            <container type="Folder">4-6</container>
                        </did>
                    </c03>
                    <c03 id="ref547" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, C 1-525</unittitle>
                            <container type="Box">2</container>
                            <container type="Folder">1-3</container>
                        </did>
                    </c03>
                    <c03 id="ref550" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, D 1-598</unittitle>
                            <container type="Box">2</container>
                            <container type="Folder">4-6</container>
                        </did>
                    </c03>
                    <c03 id="ref553" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, D 599-789</unittitle>
                            <container type="Box">3</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref555" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, E 1-607</unittitle>
                            <container type="Box">3</container>
                            <container type="Folder">3-7</container>
                        </did>
                    </c03>
                    <c03 id="ref554" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, F 1-62</unittitle>
                            <container type="Box">3</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref560" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, F 63-165</unittitle>
                            <container type="Box">4</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref562" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, G 1-262</unittitle>
                            <container type="Box">4</container>
                            <container type="Folder">3-6</container>
                        </did>
                    </c03>
                    <c03 id="ref566" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, H 1-171</unittitle>
                            <container type="Box">5</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                    <c03 id="ref571" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, I 1-140</unittitle>
                            <container type="Box">5</container>
                            <container type="Folder">6-8</container>
                        </did>
                    </c03>
                    <c03 id="ref574" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, I 141-169</unittitle>
                            <container type="Box">6</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref576" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, J 1-146</unittitle>
                            <container type="Box">6</container>
                            <container type="Folder">3-8</container>
                        </did>
                    </c03>
                    <c03 id="ref582" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, J 147,</unittitle>
                            <container type="Box">7</container>
                            <container type="Folder">1</container>
                            <unitdate>1901</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref583" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, K 1-70</unittitle>
                            <container type="Box">7</container>
                            <container type="Folder">2-5</container>
                        </did>
                    </c03>
                    <c03 id="ref587" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, L 1-20</unittitle>
                            <container type="Box">7</container>
                            <container type="Folder">6-13</container>
                        </did>
                    </c03>
                    <c03 id="ref595" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, L 21-52</unittitle>
                            <container type="Box">8</container>
                            <container type="Folder">1-3</container>
                        </did>
                    </c03>
                    <c03 id="ref598" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, M 1-79</unittitle>
                            <container type="Box">8</container>
                            <container type="Folder">4-11</container>
                        </did>
                    </c03>
                    <c03 id="ref605" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, N 1-45</unittitle>
                            <container type="Box">9</container>
                            <container type="Folder">1-11</container>
                        </did>
                    </c03>
                    <c03 id="ref616" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, O 1-20</unittitle>
                            <container type="Box">10</container>
                            <container type="Folder">1-17</container>
                        </did>
                    </c03>
                    <c03 id="ref633" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, P 1-50</unittitle>
                            <container type="Box">11</container>
                            <container type="Folder">1-31</container>
                        </did>
                    </c03>
                    <c03 id="ref666" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, Q 1-44</unittitle>
                            <container type="Box">12</container>
                            <container type="Folder">1-21</container>
                        </did>
                    </c03>
                    <c03 id="ref688" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, R 1-14</unittitle>
                            <container type="Box">13</container>
                            <container type="Folder">1-14</container>
                        </did>
                    </c03>
                    <c03 id="ref689" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, S 1-11</unittitle>
                            <container type="Box">14</container>
                            <container type="Folder">1-10</container>
                        </did>
                    </c03>
                    <c03 id="ref690" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, S 12</unittitle>
                            <container type="Box">14</container>
                            <container type="Folder">11</container>
                        </did>
                    </c03>
                    <c03 id="ref691" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, S 12</unittitle>
                            <container type="Box">15</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref692" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, T 1-6</unittitle>
                            <container type="Box">15</container>
                            <container type="Folder">3-8</container>
                        </did>
                    </c03>
                    <c03 id="ref693" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, T 7-13</unittitle>
                            <container type="Box">16</container>
                            <container type="Folder">1-7</container>
                        </did>
                    </c03>
                    <c03 id="ref694" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, U 1-15</unittitle>
                            <container type="Box">16</container>
                            <container type="Folder">8-22</container>
                        </did>
                    </c03>
                    <c03 id="ref695" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, U 16-21</unittitle>
                            <container type="Box">17</container>
                            <container type="Folder">1-6</container>
                        </did>
                    </c03>
                    <c03 id="ref696" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, V 1-459</unittitle>
                            <container type="Box">17</container>
                            <container type="Folder">7-9</container>
                        </did>
                    </c03>
                    <c03 id="ref697" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, W 1-344</unittitle>
                            <container type="Box">18</container>
                            <container type="Folder">1-3</container>
                        </did>
                    </c03>
                    <c03 id="ref698" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, X 1-343</unittitle>
                            <container type="Box">18</container>
                            <container type="Folder">4-6</container>
                        </did>
                    </c03>
                    <c03 id="ref699" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, X 344-464</unittitle>
                            <container type="Box">19</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref700" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, Y 1-77</unittitle>
                            <container type="Box">19</container>
                            <container type="Folder">3-12</container>
                        </did>
                    </c03>
                    <c03 id="ref701" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, Z 1-87</unittitle>
                            <container type="Box">20</container>
                            <container type="Folder">1-10</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref702" level="subseries">
                    <did>
                        <unittitle>Twichell Correspondence, AA-ZZ,</unittitle>
                        
                        <unitdate>1832-1953</unitdate>
                    </did>
                    <c03 id="ref704" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, AA 1-55</unittitle>
                            <container type="Box">21</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                    <c03 id="ref705" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, BB 1-345</unittitle>
                            <container type="Box">22</container>
                            <container type="Folder">1-14</container>
                        </did>
                    </c03>
                    <c03 id="ref706" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, CC 1-500</unittitle>
                            <container type="Box">23</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                    <c03 id="ref707" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, DD 1-349</unittitle>
                            <container type="Box">24</container>
                            <container type="Folder">1-7</container>
                        </did>
                    </c03>
                    <c03 id="ref708" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, EE 1-620</unittitle>
                            <container type="Box">25</container>
                            <container type="Folder">1-11</container>
                        </did>
                    </c03>
                    <c03 id="ref709" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, FF 1-440</unittitle>
                            <container type="Box">26</container>
                            <container type="Folder">1-7</container>
                        </did>
                    </c03>
                    <c03 id="ref710" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, GG 1-282</unittitle>
                            <container type="Box">27</container>
                            <container type="Folder">1-6</container>
                        </did>
                    </c03>
                    <c03 id="ref711" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, HH 1-159</unittitle>
                            <container type="Box">28</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                    <c03 id="ref712" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, HH 160-161, Bound Volumes</unittitle>
                            <container type="Box">28</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref713" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, II 1-3, Bound Volumes</unittitle>
                            <container type="Box">29</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref714" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, II 4-5</unittitle>
                            <container type="Box">29</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref715" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, JJ 2-341</unittitle>
                            <container type="Box">30</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                    <c03 id="ref716" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, JJ 94-294, Folded Maps</unittitle>
                            <container type="Box">30</container>
                            <container type="Folder">6</container>
                        </did>
                    </c03>
                    <c03 id="ref717" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, KK 1-98</unittitle>
                            <container type="Box">31</container>
                            <container type="Folder">1-8</container>
                        </did>
                    </c03>
                    <c03 id="ref718" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, LL 1-68</unittitle>
                            <container type="Box">32</container>
                            <container type="Folder">1-6</container>
                        </did>
                    </c03>
                    <c03 id="ref719" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, MM 1-47</unittitle>
                            <container type="Box">33</container>
                            <container type="Folder">1-4</container>
                        </did>
                    </c03>
                    <c03 id="ref720" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, NN 1-34</unittitle>
                            <container type="Box">33</container>
                            <container type="Folder">5-12</container>
                        </did>
                    </c03>
                    <c03 id="ref721" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, OO 1-249</unittitle>
                            <container type="Box">34</container>
                            <container type="Folder">1-18</container>
                        </did>
                    </c03>
                    <c03 id="ref722" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, PP 1-235</unittitle>
                            <container type="Box">35</container>
                            <container type="Folder">1-19</container>
                        </did>
                    </c03>
                    <c03 id="ref723" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, QQ 1-59</unittitle>
                            <container type="Box">36</container>
                            <container type="Folder">1-9</container>
                        </did>
                    </c03>
                    <c03 id="ref724" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, RR 1-804, Bound Volumes</unittitle>
                            <container type="Box">37</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref725" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, SS 1-744, Bound Volume</unittitle>
                            <container type="Box">38</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref726" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, TT 1-614, Bound Volumes</unittitle>
                            <container type="Box">39</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref727" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, TT 615-616</unittitle>
                            <container type="Box">39</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref728" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, UU 1-236</unittitle>
                            <container type="Box">40</container>
                            <container type="Folder">1-12</container>
                        </did>
                    </c03>
                    <c03 id="ref729" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, Numerical Index</unittitle>
                            <container type="Box">40</container>
                            <container type="Folder">13</container>
                        </did>
                    </c03>
                    <c03 id="ref730" level="file">
                        <did>
                            <unittitle>Twichell Correspondence, Un-indexed</unittitle>
                            <container type="Box">40</container>
                            <container type="Folder">14-16</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref731" level="subseries">
                    <did>
                        <unittitle>Twichell Correspondence, by County</unittitle>
                        
                    </did>
                    <c03 id="ref732" level="file">
                        <did>
                            <unittitle>Gaines County - Copies of field notes</unittitle>
                            <container type="Box">41</container>
                            <container type="Folder">1-3</container>
                            <unitdate>1915</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref733" level="file">
                        <did>
                            <unittitle>Pecos County - Yates Area Papers</unittitle>
                            <container type="Box">41</container>
                            <container type="Folder">4-7</container>
                            <unitdate>1933-1949</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref734" level="file">
                        <did>
                            <unittitle>Pecos County - Yates Area Papers</unittitle>
                            <container type="Box">42</container>
                            <container type="Folder">1-5</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref4" level="subseries">
                    <did>
                        <unittitle>Field books</unittitle>
                        
                        <unitdate>1874-1941</unitdate>
                    </did>
                    <c03 id="ref735" level="file">
                        <did>
                            <unittitle>Field Books, 1-16</unittitle>
                            <container type="Box">43</container>
                        </did>
                    </c03>
                    <c03 id="ref736" level="file">
                        <did>
                            <unittitle>Field Books, 17-45</unittitle>
                            <container type="Box">44</container>
                        </did>
                    </c03>
                    <c03 id="ref737" level="file">
                        <did>
                            <unittitle>Field Books, 46-72</unittitle>
                            <container type="Box">45</container>
                        </did>
                    </c03>
                    <c03 id="ref738" level="file">
                        <did>
                            <unittitle>Field Books, 73-95</unittitle>
                            <container type="Box">46</container>
                        </did>
                    </c03>
                    <c03 id="ref739" level="file">
                        <did>
                            <unittitle>Field Books, 96-136</unittitle>
                            <container type="Box">47</container>
                        </did>
                    </c03>
                    <c03 id="ref740" level="file">
                        <did>
                            <unittitle>Field Books, 137-158</unittitle>
                            <container type="Box">48</container>
                        </did>
                    </c03>
                    <c03 id="ref741" level="file">
                        <did>
                            <unittitle>Field Books, 159-176</unittitle>
                            <container type="Box">49</container>
                        </did>
                    </c03>
                    <c03 id="ref742" level="file">
                        <did>
                            <unittitle>Field Books, 177-200</unittitle>
                            <container type="Box">50</container>
                        </did>
                    </c03>
                    <c03 id="ref743" level="file">
                        <did>
                            <unittitle>Field Books, 201-218</unittitle>
                            <container type="Box">51</container>
                        </did>
                    </c03>
                    <c03 id="ref869" level="file">
                        <did>
                            <unittitle>Field Books, 219-251</unittitle>
                            <container type="Oversized Box">54</container>
                        </did>
                    </c03>
                    <c03 id="ref744" level="file">
                        <did>
                            <unittitle>Field Books, 252-269</unittitle>
                            <container type="Box">51</container>
                        </did>
                    </c03>
                    <c03 id="ref745" level="file">
                        <did>
                            <unittitle>Field Books, 270-338</unittitle>
                            <container type="Box">52</container>
                        </did>
                    </c03>
                    <c03 id="ref746" level="file">
                        <did>
                            <unittitle>Field Books, 339-382</unittitle>
                            <container type="Box">53</container>
                        </did>
                    </c03>
                    <c03 id="ref1117" level="file">
                        <did>
                            <unittitle>W. R. Standifer Field Books (5),</unittitle>
                            <container type="Box">137</container>
                            <container type="Folder">7</container>
                            <unitdate>1901-1912</unitdate>
                        </did>
                    </c03>
                </c02>
            </c01>
            <c01 id="ref6" level="series">
                <did>
                    <unittitle>Sylvan Sanders Records</unittitle>
                    <physdesc>
                        <extent>(9 flat files, 22 document boxes, 1 oversized box)</extent>
                    </physdesc>
                    <unitdate>1845-1980</unitdate>
                    
                </did>
                <scopecontent id="ref538">
                    <head>Scope and Contents of the Series</head>
                    <p>Maps very widely in their coverage, style, purpose, and degree of completeness. Many maps may be more accurately called sketches or surveying sketches, as they appear to be made in the field or as short annotations used for reference when later creating maps to accompany official field notes.</p>
                    <p>The Correspondence, Field Notes, Working Sketches Series intellectually places all document types together organized by County. The exceptions are Correspondence in New Mexico and records relating to T&amp;P Railroad.</p>
                    <p>The Correspondence follows the Committee's Index stored in Box 131. Folders contain correspondence between Sylvan Sanders and his clients, his surveyors, and the General Land Office. Folders also contain maps and sketches of particular land blocks or areas. Folders are labeled and organized by county and block or area.</p>
                    <p>Sylvan Sanders Field Notes contains field notes for Texas and Pacific Railway lands and Andrew-Yoakum counties. Field Notes are indexed by county and block or area in the Sylvan Sanders Field Book Index stored in Box 131.</p>
                    <p>Sylvan Sanders Working Sketches contains working sketches for Andrews-Lynn counties and Texas and Pacific Railway lands. Working Sketches are indexed by county and block or area in the Sylvan Sanders Field Book Index stored in Box 131.</p>
                </scopecontent>
                <c02 id="ref453" level="subseries">
                    <did>
                        <unittitle>Sylvan Sanders Indexes</unittitle>
                        <container type="Box">131</container>
                    </did>
                    <c03 id="ref456" level="file">
                        <did>
                            <unittitle>Map Index</unittitle>
                            <container type="Box">131</container>
                            
                        </did>
                    </c03>
                    <c03 id="ref500" level="file">
                        <did>
                            <unittitle>Correspondence Index</unittitle>
                            <container type="Box">131</container>
                            
                        </did>
                    </c03>
                    <c03 id="ref457" level="file">
                        <did>
                            <unittitle>Field Book Index</unittitle>
                            <container type="Box">131</container>
                            
                        </did>
                    </c03>
                </c02>
                <c02 id="ref9" level="subseries">
                    <did>
                        <unittitle>Sanders Maps, 
                            <extref actuate="onRequest" show="replace" href="#adminlink">See Administrative Information - Digital Copies</extref>,</unittitle>
                        <container type="Map-case">1, 70-71, 93-94</container>
                        
                        <unitdate>1846-1956</unitdate>
                    </did>
                </c02>
                <c02 id="ref7" level="subseries">
                    <did>
                        <unittitle>Correspondence, Field Notes, Working Sketches, by County,</unittitle>
                        <container type="Box">56-73</container>
                        
                        <unitdate>1845-1959, undated</unitdate>
                    </did>
                    <c03 id="ref999" level="subseries">
                        <did>
                            <unittitle>Andrews County</unittitle>
                        </did>
                        <c04 id="ref12" level="file">
                            <did>
                                <unittitle>Andrews County</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref885" level="file">
                            <did>
                                <unittitle>Field Notes, Andrews County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref901" level="file">
                            <did>
                                <unittitle>Working Sketches, Andrews County, 901-1100,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">1</container>
                                <unitdate>1943-1953</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref16" level="file">
                        <did>
                            <unittitle>Armstrong County</unittitle>
                            <container type="Box">56</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref18" level="subseries">
                        <did>
                            <unittitle>Bailey County</unittitle>
                        </did>
                        <c04 id="ref750" level="file">
                            <did>
                                <unittitle>Lge 212</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref751" level="file">
                            <did>
                                <unittitle>Blum Lands</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref752" level="file">
                            <did>
                                <unittitle>Crosby County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref753" level="file">
                            <did>
                                <unittitle>Capitol Lands</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref754" level="file">
                            <did>
                                <unittitle>Fisher County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref755" level="file">
                            <did>
                                <unittitle>Floyd County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref756" level="file">
                            <did>
                                <unittitle>Hale-Hansford, Irion County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref757" level="file">
                            <did>
                                <unittitle>Maloy Strip Maps</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref758" level="file">
                            <did>
                                <unittitle>Lubbock County School Land, Motley County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref759" level="file">
                            <did>
                                <unittitle>Ochiltree--Blk O</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref760" level="file">
                            <did>
                                <unittitle>Roberts-Swisher</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">13</container>
                            </did>
                        </c04>
                        <c04 id="ref761" level="file">
                            <did>
                                <unittitle>Blk 5-2, Blk 5-3, JH Stephens</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref762" level="file">
                            <did>
                                <unittitle>Sutton County School Land</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">15</container>
                            </did>
                        </c04>
                        <c04 id="ref763" level="file">
                            <did>
                                <unittitle>Lubbock Water District</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">16</container>
                            </did>
                        </c04>
                        <c04 id="ref764" level="file">
                            <did>
                                <unittitle>Blk R</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">17</container>
                            </did>
                        </c04>
                        <c04 id="ref765" level="file">
                            <did>
                                <unittitle>Blk X, Blk Z</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">18</container>
                            </did>
                        </c04>
                        <c04 id="ref766" level="file">
                            <did>
                                <unittitle>Blk Y</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">19</container>
                            </did>
                        </c04>
                        <c04 id="ref902" level="file">
                            <did>
                                <unittitle>Working Sketches, Bailey County, 1501-1700,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">2</container>
                                <unitdate>1929</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref40" level="file">
                        <did>
                            <unittitle>Baylor County</unittitle>
                            <container type="Box">56</container>
                            <container type="Folder">20</container>
                        </did>
                    </c03>
                    <c03 id="ref42" level="subseries">
                        <did>
                            <unittitle>Borden County</unittitle>
                        </did>
                        <c04 id="ref43" level="file">
                            <did>
                                <unittitle>Clayton and Johnson, Block 32 - T4N</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">21</container>
                            </did>
                        </c04>
                        <c04 id="ref44" level="file">
                            <did>
                                <unittitle>W.D. Johnson</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">22</container>
                            </did>
                        </c04>
                        <c04 id="ref45" level="file">
                            <did>
                                <unittitle>Borden County</unittitle>
                                <container type="Box">56</container>
                                <container type="Folder">23</container>
                            </did>
                        </c04>
                        <c04 id="ref886" level="file">
                            <did>
                                <unittitle>Field Notes, Borden County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref48" level="file">
                        <did>
                            <unittitle>Callahan and Carson Counties</unittitle>
                            <container type="Box">57</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref50" level="subseries">
                        <did>
                            <unittitle>Castro County</unittitle>
                        </did>
                        <c04 id="ref51" level="file">
                            <did>
                                <unittitle>Kelly Subdivision plat</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref52" level="file">
                            <did>
                                <unittitle>Castro County</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref53" level="subseries">
                        <did>
                            <unittitle>Cochran County</unittitle>
                        </did>
                        <c04 id="ref768" level="file">
                            <did>
                                <unittitle>Brewster County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref769" level="file">
                            <did>
                                <unittitle>Childress County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref770" level="file">
                            <did>
                                <unittitle>Coke County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref771" level="file">
                            <did>
                                <unittitle>Carrie Dean Mills--Martin Lipscomb</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref772" level="file">
                            <did>
                                <unittitle>Nelle DeLoache, Potter County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref773" level="file">
                            <did>
                                <unittitle>Garza County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref774" level="file">
                            <did>
                                <unittitle>Greer County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref775" level="file">
                            <did>
                                <unittitle>Hall County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref776" level="file">
                            <did>
                                <unittitle>Harrison &amp; Brown</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref777" level="file">
                            <did>
                                <unittitle>Hemphill County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">13</container>
                            </did>
                        </c04>
                        <c04 id="ref778" level="file">
                            <did>
                                <unittitle>Texas Highway Dept Right of Way Map</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">14</container>
                                <unitdate>1956</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref779" level="file">
                            <did>
                                <unittitle>Jeff Davis County School Land</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">15</container>
                                <unitdate>1938</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref780" level="file">
                            <did>
                                <unittitle>Block JRM</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">16</container>
                                <unitdate>1938</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref781" level="file">
                            <did>
                                <unittitle>Block L tracings</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">17</container>
                            </did>
                        </c04>
                        <c04 id="ref782" level="file">
                            <did>
                                <unittitle>Lipscomb County School Land tracing</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">18</container>
                            </did>
                        </c04>
                        <c04 id="ref783" level="file">
                            <did>
                                <unittitle>Martin County School Land field notes</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">19</container>
                            </did>
                        </c04>
                        <c04 id="ref784" level="file">
                            <did>
                                <unittitle>Morton townsite plats</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">20</container>
                            </did>
                        </c04>
                        <c04 id="ref785" level="file">
                            <did>
                                <unittitle>Oldham County School Land field notes</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">21</container>
                            </did>
                        </c04>
                        <c04 id="ref786" level="file">
                            <did>
                                <unittitle>Block P field notes</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">22</container>
                            </did>
                        </c04>
                        <c04 id="ref787" level="file">
                            <did>
                                <unittitle>Potter County School Land tract tracings</unittitle>
                                <container type="Box">57</container>
                                <container type="Folder">23</container>
                            </did>
                        </c04>
                        <c04 id="ref788" level="file">
                            <did>
                                <unittitle>Randall County School Land 1949</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref789" level="file">
                            <did>
                                <unittitle>Block Q S2,3</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref790" level="file">
                            <did>
                                <unittitle>Refugio County School Land field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref791" level="file">
                            <did>
                                <unittitle>Slaughter Ranch plat 774</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref792" level="file">
                            <did>
                                <unittitle>C.A. Slaughter tracings of tracts</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref793" level="file">
                            <did>
                                <unittitle>C.C. Slaughter</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref794" level="file">
                            <did>
                                <unittitle>Dick Slaughter tracings of tracts</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref795" level="file">
                            <did>
                                <unittitle>G.M. Slaughter</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref796" level="file">
                            <did>
                                <unittitle>Sherman County School Land tracings</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref797" level="file">
                            <did>
                                <unittitle>Stonewall County School Land</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref798" level="file">
                            <did>
                                <unittitle>Triangulation</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref799" level="file">
                            <did>
                                <unittitle>Block U</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref800" level="file">
                            <did>
                                <unittitle>Block V field book and official field notes,</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">13</container>
                                <unitdate>1923</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref801" level="file">
                            <did>
                                <unittitle>Veal--Minnie Slaughter tracings</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref802" level="file">
                            <did>
                                <unittitle>Wright, Dela Slaughter tracings</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">15</container>
                            </did>
                        </c04>
                        <c04 id="ref803" level="file">
                            <did>
                                <unittitle>Block W field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">16</container>
                            </did>
                        </c04>
                        <c04 id="ref804" level="file">
                            <did>
                                <unittitle>White Face townsite</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">17</container>
                            </did>
                        </c04>
                        <c04 id="ref805" level="file">
                            <did>
                                <unittitle>Block Y field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">18</container>
                            </did>
                        </c04>
                        <c04 id="ref806" level="file">
                            <did>
                                <unittitle>R.C. Burns SF field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">19</container>
                            </did>
                        </c04>
                        <c04 id="ref807" level="file">
                            <did>
                                <unittitle>Block Z field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">20</container>
                            </did>
                        </c04>
                        <c04 id="ref887" level="file">
                            <did>
                                <unittitle>Field Notes, Cochran County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref904" level="file">
                            <did>
                                <unittitle>Working Sketches, Cochran County,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">3</container>
                                <unitdate>1923-1956</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref1002" level="subseries">
                        <did>
                            <unittitle>Coke County</unittitle>
                        </did>
                        <c04 id="ref104" level="file">
                            <did>
                                <unittitle>Coke County Official field notes</unittitle>
                                <container type="Box">58</container>
                                <container type="Folder">21</container>
                            </did>
                        </c04>
                        <c04 id="ref888" level="file">
                            <did>
                                <unittitle>Field Notes, Coke County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref107" level="file">
                        <did>
                            <unittitle>Concho County Official field notes</unittitle>
                            <container type="Box">58</container>
                            <container type="Folder">22</container>
                        </did>
                    </c03>
                    <c03 id="ref109" level="file">
                        <did>
                            <unittitle>Crane County Official field notes</unittitle>
                            <container type="Box">58</container>
                            <container type="Folder">23</container>
                        </did>
                    </c03>
                    <c03 id="ref111" level="file">
                        <did>
                            <unittitle>Crockett County Official field notes, tracings</unittitle>
                            <container type="Box">59</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref112" level="subseries">
                        <did>
                            <unittitle>Crosby County</unittitle>
                        </did>
                        <c04 id="ref113" level="file">
                            <did>
                                <unittitle>Crosbyton townsite maps,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref114" level="file">
                            <did>
                                <unittitle>Lorenzo--Ralls tracings,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref115" level="file">
                            <did>
                                <unittitle>Crosby-Garza County Line plat,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">4</container>
                                <unitdate>1887</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref116" level="file">
                            <did>
                                <unittitle>Crosby tracing, field notes,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">5</container>
                                <unitdate>1922, 1934</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref118" level="subseries">
                        <did>
                            <unittitle>Culberson County</unittitle>
                        </did>
                        <c04 id="ref119" level="file">
                            <did>
                                <unittitle>Field Book,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">6</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref120" level="file">
                            <did>
                                <unittitle>Block 66, 94, 98, 99, 100 Field Notes,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">7</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref121" level="file">
                            <did>
                                <unittitle>Tracings</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref122" level="file">
                            <did>
                                <unittitle>USC &amp; GS</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref123" level="file">
                        <did>
                            <unittitle>Dallam County</unittitle>
                            <container type="Box">59</container>
                            <container type="Folder">10</container>
                        </did>
                    </c03>
                    <c03 id="ref124" level="subseries">
                        <did>
                            <unittitle>Dawson County</unittitle>
                        </did>
                        <c04 id="ref125" level="file">
                            <did>
                                <unittitle>Ackerly</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref126" level="file">
                            <did>
                                <unittitle>Block CC-41 tracings</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref127" level="file">
                            <did>
                                <unittitle>C Blocks field note copies,</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">13</container>
                                <unitdate>1949, 1958</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref128" level="file">
                            <did>
                                <unittitle>Lamesa townsite</unittitle>
                                <container type="Box">59</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref129" level="file">
                            <did>
                                <unittitle>T6N-B34,35 field notes,</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">1</container>
                                <unitdate>1929-1941</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref130" level="file">
                            <did>
                                <unittitle>Block M, Block 2, Taylor County School Land tracings</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref132" level="file">
                            <did>
                                <unittitle>Godair, School File field notes,</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">3</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref131" level="file">
                            <did>
                                <unittitle>Poitevent 1 &amp;2 TTRy No. 2 tracing</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref133" level="file">
                            <did>
                                <unittitle>Texas Elect. Co. Lamesa to Denver City Power Line</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref134" level="file">
                            <did>
                                <unittitle>Dawson Triangulation</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder"></container>
                            </did>
                        </c04>
                        <c04 id="ref135" level="file">
                            <did>
                                <unittitle>T &amp; P Blocks tracings,</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">7</container>
                                <unitdate>1944-1947</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref891" level="file">
                            <did>
                                <unittitle>Field Notes, Dawson County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref137" level="subseries">
                        <did>
                            <unittitle>Dickens County</unittitle>
                        </did>
                        <c04 id="ref138" level="file">
                            <did>
                                <unittitle>Kent-Dickens County Line plat,</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">8</container>
                                <unitdate>1892</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref139" level="file">
                            <did>
                                <unittitle>Dickens County Field notes</unittitle>
                                <container type="Box">60</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref142" level="file">
                        <did>
                            <unittitle>Ector County Field Book,</unittitle>
                            <container type="Box">60</container>
                            <container type="Folder">10</container>
                            <unitdate>1938</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref143" level="file">
                        <did>
                            <unittitle>Floyd County</unittitle>
                            <container type="Box">60</container>
                            <container type="Folder">11</container>
                            <unitdate>1940</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref144" level="subseries">
                        <did>
                            <unittitle>Gaines County</unittitle>
                        </did>
                        <c04 id="ref145" level="file">
                            <did>
                                <unittitle>A Blocks</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">1</container>
                                <unitdate>1934-1955</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref146" level="file">
                            <did>
                                <unittitle>Block A-19 sketches,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">2</container>
                                <unitdate>1943-1955</unitdate>
                                
                            </did>
                        </c04>
                        <c04 id="ref147" level="file">
                            <did>
                                <unittitle>Dalmont Ranch sketch</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">3</container>
                                
                            </did>
                        </c04>
                        <c04 id="ref148" level="file">
                            <did>
                                <unittitle>C Blocks,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">4</container>
                                <unitdate>1942-1959</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref149" level="file">
                            <did>
                                <unittitle>Dawson County School Land,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">5</container>
                                <unitdate>1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref151" level="file">
                            <did>
                                <unittitle>Schleicher 284, Hutchinson 282,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">6</container>
                                <unitdate>1952</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref152" level="file">
                            <did>
                                <unittitle>Block H,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">7</container>
                                <unitdate>1944-1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref153" level="file">
                            <did>
                                <unittitle>Yoakum County to Seminole Highway</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref810" level="file">
                            <did>
                                <unittitle>Highway Map Seminole to State Line</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref154" level="file">
                            <did>
                                <unittitle>Seagraves RR survey,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">10</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref156" level="file">
                            <did>
                                <unittitle>Gaines County, School File field notes,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">11</container>
                                <unitdate>1938-1940</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref158" level="file">
                            <did>
                                <unittitle>Triangulation</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref157" level="file">
                            <did>
                                <unittitle>ACH&amp;B Block AX,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">13</container>
                                <unitdate>1950-1958</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref150" level="file">
                            <did>
                                <unittitle>Block G,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">14</container>
                                <unitdate>1950-1955</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref159" level="file">
                            <did>
                                <unittitle>Seminole,</unittitle>
                                <container type="Box">61</container>
                                <container type="Folder">15</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref892" level="file">
                            <did>
                                <unittitle>Field Notes, Gaines County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref907" level="file">
                            <did>
                                <unittitle>Working Sketches, Gaines County,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">4</container>
                                <unitdate>1938-1953</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref160" level="subseries">
                        <did>
                            <unittitle>Garza County</unittitle>
                        </did>
                        <c04 id="ref161" level="file">
                            <did>
                                <unittitle>Garza County, Working Sketch</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref811" level="file">
                            <did>
                                <unittitle>George Williams, Block G-2, 7, 8</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref162" level="file">
                            <did>
                                <unittitle>2 &amp; Lee Davis School File,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">3</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref163" level="file">
                            <did>
                                <unittitle>Carmichall, FL S7,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">4</container>
                                <unitdate>1948-1949</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref164" level="file">
                            <did>
                                <unittitle>Blocks 5, 6,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">5</container>
                                <unitdate>1951</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref165" level="file">
                            <did>
                                <unittitle>Block 97,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">6</container>
                                <unitdate>1928</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref166" level="file">
                            <did>
                                <unittitle>County Line Judgement,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">7</container>
                                <unitdate>1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref167" level="file">
                            <did>
                                <unittitle>Brooks, LN St.,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">8</container>
                                <unitdate>1922</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref169" level="file">
                            <did>
                                <unittitle>Llano Corners Description</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">9</container>
                                
                            </did>
                        </c04>
                        <c04 id="ref170" level="file">
                            <did>
                                <unittitle>Post Estate,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">10</container>
                                <unitdate>1954</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref171" level="file">
                            <did>
                                <unittitle>Field notes and plats, various,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">11</container>
                                <unitdate>1906-1959</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref172" level="file">
                            <did>
                                <unittitle>Post City,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">12</container>
                                <unitdate>1949</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref173" level="file">
                            <did>
                                <unittitle>Scoggins Estate,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">13</container>
                                <unitdate>1927</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref174" level="file">
                            <did>
                                <unittitle>Slaughter Estate,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">14</container>
                                <unitdate>1905-1926</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref175" level="subseries">
                        <did>
                            <unittitle>Hale County</unittitle>
                        </did>
                        <c04 id="ref176" level="file">
                            <did>
                                <unittitle>Abernathy,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">15</container>
                                <unitdate>1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref177" level="file">
                            <did>
                                <unittitle>DT,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">16</container>
                                <unitdate>1920</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref178" level="file">
                            <did>
                                <unittitle>Petersburg,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">17</container>
                                <unitdate>1927</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref179" level="file">
                            <did>
                                <unittitle>Field notes and plats, various,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">18</container>
                                <unitdate>1926</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref180" level="file">
                            <did>
                                <unittitle>Plainview,</unittitle>
                                <container type="Box">62</container>
                                <container type="Folder">19</container>
                                <unitdate>1920</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref182" level="file">
                        <did>
                            <unittitle>Hall County,</unittitle>
                            <container type="Box">62</container>
                            <container type="Folder">20</container>
                            <unitdate>1925</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref183" level="file">
                        <did>
                            <unittitle>Hansford County map, field notes,</unittitle>
                            <container type="Box">62</container>
                            <container type="Folder">20</container>
                            <unitdate>1924</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref181" level="file">
                        <did>
                            <unittitle>Hartley County,</unittitle>
                            <container type="Box">62</container>
                            <container type="Folder">20</container>
                            <unitdate>1908</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref184" level="file">
                        <did>
                            <unittitle>Haskell County field notes,</unittitle>
                            <container type="Box">62</container>
                            <container type="Folder">20</container>
                            <unitdate>1894</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref185" level="subseries">
                        <did>
                            <unittitle>Hockley County</unittitle>
                        </did>
                        <c04 id="ref187" level="file">
                            <did>
                                <unittitle>Atascosa County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">1</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref188" level="file">
                            <did>
                                <unittitle>Block A,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">2</container>
                                <unitdate>1920</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref189" level="file">
                            <did>
                                <unittitle>Anton</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref190" level="file">
                            <did>
                                <unittitle>Baylor County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">4</container>
                                <unitdate>1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref191" level="file">
                            <did>
                                <unittitle>McCulloch County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">5</container>
                                <unitdate>1923</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref192" level="file">
                            <did>
                                <unittitle>Capitol League,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">6</container>
                                <unitdate>1924-1949</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref194" level="file">
                            <did>
                                <unittitle>Concho County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">7</container>
                                <unitdate>1912-1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref195" level="file">
                            <did>
                                <unittitle>County Line</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">8</container>
                                
                            </did>
                        </c04>
                        <c04 id="ref196" level="file">
                            <did>
                                <unittitle>Block D,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">9</container>
                                <unitdate>1922</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref197" level="file">
                            <did>
                                <unittitle>Ellwood Ranch,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">10</container>
                                <unitdate>1899</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref198" level="file">
                            <did>
                                <unittitle>Donley County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">11</container>
                                <unitdate>1926-1949</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref199" level="file">
                            <did>
                                <unittitle>Nell DeLoache,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">12</container>
                                <unitdate>1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref200" level="file">
                            <did>
                                <unittitle>Edward County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">13</container>
                                <unitdate>1912-1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref201" level="file">
                            <did>
                                <unittitle>Garza County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">14</container>
                                <unitdate>1912-1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref202" level="file">
                            <did>
                                <unittitle>Goodman, G.W.,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">15</container>
                                <unitdate>1903-1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref203" level="file">
                            <did>
                                <unittitle>Hamilton Estate, Lamar-Wharton plat,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">16</container>
                                <unitdate>1922</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref204" level="file">
                            <did>
                                <unittitle>Hardeman County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">17</container>
                                <unitdate>1912-1930</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref205" level="file">
                            <did>
                                <unittitle>Haskell County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">18</container>
                                <unitdate>1932-1949</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref206" level="file">
                            <did>
                                <unittitle>Hood County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">19</container>
                                <unitdate>1912-1954</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref207" level="file">
                            <did>
                                <unittitle>Block I,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">20</container>
                                <unitdate>1934-1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref208" level="file">
                            <did>
                                <unittitle>Jones County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">21</container>
                                <unitdate>1923-1953</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref209" level="file">
                            <did>
                                <unittitle>Kaufman County School Land,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">22</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref210" level="file">
                            <did>
                                <unittitle>Levelland,</unittitle>
                                <container type="Box">63</container>
                                <container type="Folder">23</container>
                                <unitdate>1926</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref211" level="file">
                            <did>
                                <unittitle>Maverick County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">1</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref212" level="file">
                            <did>
                                <unittitle>Midland County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">2</container>
                                <unitdate>1955</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref213" level="file">
                            <did>
                                <unittitle>Ropes,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">3</container>
                                <unitdate>1956</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref214" level="file">
                            <did>
                                <unittitle>Block I field notes,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">4</container>
                                <unitdate>1912, 1922</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref215" level="file">
                            <did>
                                <unittitle>Block O field notes,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">5</container>
                                <unitdate>1912-1943</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref216" level="file">
                            <did>
                                <unittitle>Raines County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">6</container>
                                <unitdate>1927</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref217" level="file">
                            <did>
                                <unittitle>Reeves County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">7</container>
                                <unitdate>1912 </unitdate>
                            </did>
                        </c04>
                        <c04 id="ref218" level="file">
                            <did>
                                <unittitle>Rusk County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">8</container>
                                <unitdate>1900-1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref219" level="file">
                            <did>
                                <unittitle>School FIles,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">9</container>
                                <unitdate>1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref220" level="file">
                            <did>
                                <unittitle>Scurry County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">10</container>
                                <unitdate>1941</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref221" level="file">
                            <did>
                                <unittitle>Shackelford County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">11</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref222" level="file">
                            <did>
                                <unittitle>A. A. Slaughter,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">12</container>
                                <unitdate>1929</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref223" level="file">
                            <did>
                                <unittitle>Bob Slaughter Block,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">13</container>
                                <unitdate>1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref224" level="file">
                            <did>
                                <unittitle>Smyer,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">14</container>
                                <unitdate>1951</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref225" level="file">
                            <did>
                                <unittitle>Sundown, Texas,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">15</container>
                                <unitdate>1938</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref226" level="file">
                            <did>
                                <unittitle>Triangulation,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">16</container>
                                <unitdate>1956</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref227" level="file">
                            <did>
                                <unittitle>William Tubbes Block A</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">17</container>
                            </did>
                        </c04>
                        <c04 id="ref229" level="file">
                            <did>
                                <unittitle>Val Verde County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">18</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref230" level="file">
                            <did>
                                <unittitle>Wichita County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">19</container>
                                <unitdate>1944-1948</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref231" level="file">
                            <did>
                                <unittitle>Wilbargar, Howard,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">20</container>
                                <unitdate>1921</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref232" level="file">
                            <did>
                                <unittitle>Block X-1900</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">21</container>
                            </did>
                        </c04>
                        <c04 id="ref233" level="file">
                            <did>
                                <unittitle>Zavala County School Land,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">22</container>
                                <unitdate>1912</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref893" level="file">
                            <did>
                                <unittitle>Field Notes, Hockley County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref895" level="file">
                            <did>
                                <unittitle>Field Notes, Hockley County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref905" level="file">
                            <did>
                                <unittitle>Working Sketches, Hockley County,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">5</container>
                                <unitdate>1928-1951</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref505" level="file">
                            <did>
                                <unittitle>Hockley County Plat Book</unittitle>
                                <container type="Oversized Box">78</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref234" level="subseries">
                        <did>
                            <unittitle>Howard County</unittitle>
                        </did>
                        <c04 id="ref235" level="file">
                            <did>
                                <unittitle>Howard County,</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">23</container>
                                <unitdate>1905</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref236" level="file">
                            <did>
                                <unittitle>Hutchingson, Roberts County Line plat</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">24</container>
                            </did>
                        </c04>
                        <c04 id="ref237" level="file">
                            <did>
                                <unittitle>County Line Sherman Moore and Potter</unittitle>
                                <container type="Box">64</container>
                                <container type="Folder">25</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref239" level="file">
                        <did>
                            <unittitle>Hudspeth County,</unittitle>
                            <container type="Box">64</container>
                            <container type="Folder">26</container>
                            <unitdate>1910</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref240" level="file">
                        <did>
                            <unittitle>Hutchinson County,</unittitle>
                            <container type="Box">64</container>
                            <container type="Folder">26</container>
                            <unitdate>1881</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref241" level="file">
                        <did>
                            <unittitle>Irion County,</unittitle>
                            <container type="Box">65</container>
                            <container type="Folder">1</container>
                            <unitdate>1881, 1956</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref242" level="file">
                        <did>
                            <unittitle>Jack County,</unittitle>
                            <container type="Box">65</container>
                            <container type="Folder">2</container>
                            <unitdate>1926</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref245" level="file">
                        <did>
                            <unittitle>Jeff Davis County,</unittitle>
                            <container type="Box">65</container>
                            <container type="Folder">3</container>
                            <unitdate>1931</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref246" level="subseries">
                        <did>
                            <unittitle>Kent County</unittitle>
                        </did>
                        <c04 id="ref251" level="file">
                            <did>
                                <unittitle>Cogdell Ranch,</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">4</container>
                                <unitdate>1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref253" level="file">
                            <did>
                                <unittitle>A&amp;K W.P. Wilson Field notes,</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">5</container>
                                <unitdate>1947</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref254" level="file">
                            <did>
                                <unittitle>Block L,</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">6</container>
                                <unitdate>1946</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref255" level="file">
                            <did>
                                <unittitle>Mays Ranch Block 4, G,</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">7</container>
                                <unitdate>1942</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref256" level="file">
                            <did>
                                <unittitle>Assorted Maps,</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">8</container>
                                <unitdate>1929</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref257" level="file">
                            <did>
                                <unittitle>Field notes--Preemptions</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">9</container>
                                <unitdate>1947</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref258" level="file">
                            <did>
                                <unittitle>2 &amp; 4 Blocks</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">10</container>
                                <unitdate>1894</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref259" level="file">
                            <did>
                                <unittitle>Block 5</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">11</container>
                                <unitdate>1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref260" level="file">
                            <did>
                                <unittitle>97 &amp; 98 Blocks</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">12</container>
                                <unitdate>1947</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref261" level="file">
                            <did>
                                <unittitle>O-O Ranch</unittitle>
                                <container type="Box">65</container>
                                <container type="Folder">13</container>
                                <unitdate>1946</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref262" level="subseries">
                        <did>
                            <unittitle>King County</unittitle>
                        </did>
                        <c04 id="ref264" level="file">
                            <did>
                                <unittitle>Block 1,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">1</container>
                                <unitdate>1924-1953</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref263" level="file">
                            <did>
                                <unittitle>King County,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">2</container>
                                <unitdate>1943</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref265" level="subseries">
                        <did>
                            <unittitle>Lamb County</unittitle>
                        </did>
                        <c04 id="ref266" level="file">
                            <did>
                                <unittitle>Capitol Leagues,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">3</container>
                                <unitdate>1912-1954</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref267" level="file">
                            <did>
                                <unittitle>Castro, Cottle, Crockett County School Lands,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">4</container>
                                <unitdate>1910-1954</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref268" level="file">
                            <did>
                                <unittitle>Dallam County School Land,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">5</container>
                                <unitdate>1910-1947</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref269" level="file">
                            <did>
                                <unittitle>Deaf Smith County School Land</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref270" level="file">
                            <did>
                                <unittitle>Fieldton plats,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">7</container>
                                <unitdate>1928</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref271" level="file">
                            <did>
                                <unittitle>Garza County,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">8</container>
                                <unitdate>1916-1925</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref272" level="file">
                            <did>
                                <unittitle>Halsell Cattle Co.,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">9</container>
                                <unitdate>1907-1955</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref273" level="file">
                            <did>
                                <unittitle>King County</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">10</container>
                                <unitdate>1926-1957</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref274" level="file">
                            <did>
                                <unittitle>Lamb-Castro County Boundary,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">11</container>
                                <unitdate>1916-1935</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref275" level="file">
                            <did>
                                <unittitle>LIttlefield,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">12</container>
                                <unitdate>1920-1945</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref276" level="file">
                            <did>
                                <unittitle>Block 2 Sketches</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">13</container>
                                <unitdate>1953</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref812" level="file">
                            <did>
                                <unittitle>Olton</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref277" level="file">
                            <did>
                                <unittitle>Springlake School District boundary descriptions,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">15</container>
                                <unitdate>1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref278" level="file">
                            <did>
                                <unittitle>Stephens, Johnathan H. Pinkney Strip,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">16</container>
                                <unitdate>1912-1950</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref279" level="file">
                            <did>
                                <unittitle>Sterling County,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">17</container>
                                <unitdate>1858-1924</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref280" level="file">
                            <did>
                                <unittitle>Sudan</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">18</container>
                            </did>
                        </c04>
                        <c04 id="ref281" level="file">
                            <did>
                                <unittitle>Warren Subdivision I, Block W,</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">19</container>
                                <unitdate>1954-1955</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref282" level="file">
                            <did>
                                <unittitle>Block T</unittitle>
                                <container type="Box">66</container>
                                <container type="Folder">20</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref284" level="file">
                        <did>
                            <unittitle>Lipscomb County, Llano County boundary descriptions</unittitle>
                            <container type="Box">66</container>
                            <container type="Folder">21</container>
                            <unitdate>1845-1882</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref285" level="file">
                        <did>
                            <unittitle>Loving County</unittitle>
                            <container type="Box">67</container>
                            <container type="Folder">18</container>
                        </did>
                    </c03>
                    <c03 id="ref336" level="subseries">
                        <did>
                            <unittitle>Lubbock County</unittitle>
                        </did>
                        <c04 id="ref314" level="subseries">
                            <did>
                                <unittitle>City of Lubbock</unittitle>
                            </did>
                            <c05 id="ref287" level="file">
                                <did>
                                    <unittitle>Section 1 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">22</container>
                                    <unitdate>1921-1955</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref288" level="file">
                                <did>
                                    <unittitle>Section 3 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">23</container>
                                    <unitdate>1945</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref290" level="file">
                                <did>
                                    <unittitle>Section 15 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">25</container>
                                    <unitdate>1922-1946</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref292" level="file">
                                <did>
                                    <unittitle>Section 19 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">24</container>
                                    <unitdate>1909-1949</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref293" level="file">
                                <did>
                                    <unittitle>Section 20 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">26</container>
                                    <unitdate>1948-1955</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref294" level="file">
                                <did>
                                    <unittitle>Section 79 Block A,</unittitle>
                                    <container type="Box">66</container>
                                    <container type="Folder">27</container>
                                    <unitdate>1906-1949</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref295" level="file">
                                <did>
                                    <unittitle>Section 80 Block A,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">1</container>
                                    <unitdate>1910-1950</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref296" level="file">
                                <did>
                                    <unittitle>Section 3 Block B</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">2</container>
                                </did>
                            </c05>
                            <c05 id="ref297" level="file">
                                <did>
                                    <unittitle>Section 4 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">3</container>
                                    <unitdate>1907-1945</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref298" level="file">
                                <did>
                                    <unittitle>Section 5 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">4</container>
                                    <unitdate>1926-1952</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref299" level="file">
                                <did>
                                    <unittitle>Section 6 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">5</container>
                                    <unitdate>1929</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref300" level="file">
                                <did>
                                    <unittitle>Section 7 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">6</container>
                                    <unitdate>1907-1956</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref301" level="file">
                                <did>
                                    <unittitle>Section 8 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">7</container>
                                    <unitdate>1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref302" level="file">
                                <did>
                                    <unittitle>Section 9 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">8</container>
                                    <unitdate>1928-1948</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref303" level="file">
                                <did>
                                    <unittitle>Section 10 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">9</container>
                                    <unitdate>1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref306" level="file">
                                <did>
                                    <unittitle>Section 13 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">10</container>
                                    <unitdate>1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref307" level="file">
                                <did>
                                    <unittitle>Section 14 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">11</container>
                                    <unitdate>1928-1948</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref308" level="file">
                                <did>
                                    <unittitle>Section 15 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">12</container>
                                    <unitdate>1924-1957</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref310" level="file">
                                <did>
                                    <unittitle>Section 17 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">13</container>
                                    <unitdate>1929</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref311" level="file">
                                <did>
                                    <unittitle>Section 18 Block B,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">14</container>
                                    <unitdate>1941-1950</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref317" level="file">
                                <did>
                                    <unittitle>Original Lubbock,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">15</container>
                                    <unitdate>1891-1955</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref318" level="file">
                                <did>
                                    <unittitle>Overton Addition,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">16</container>
                                    <unitdate>1909-1956</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref319" level="file">
                                <did>
                                    <unittitle>Section 3 Block O,</unittitle>
                                    <container type="Box">67</container>
                                    <container type="Folder">17</container>
                                    <unitdate>1909-1945</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref320" level="file">
                                <did>
                                    <unittitle>Section 4 Block O,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">1</container>
                                    <unitdate>1927-1955</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref321" level="file">
                                <did>
                                    <unittitle>Block A,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">2</container>
                                    <unitdate>1922-1959</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref322" level="file">
                                <did>
                                    <unittitle>Brown County School Land</unittitle>
                                    <unitdate>1921-1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref323" level="file">
                                <did>
                                    <unittitle>Baer Estate,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">4</container>
                                    <unitdate>1949</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref324" level="file">
                                <did>
                                    <unittitle>County Line,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">5</container>
                                    <unitdate>1921-1931</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref326" level="file">
                                <did>
                                    <unittitle>Block D,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">6</container>
                                    <unitdate>1928-1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref327" level="file">
                                <did>
                                    <unittitle>D2, D5, D6, D7,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">7</container>
                                    <unitdate>1927-1948</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref328" level="file">
                                <did>
                                    <unittitle>E--E2,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">8</container>
                                    <unitdate>1879-1956</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref329" level="file">
                                <did>
                                    <unittitle>Blocks S-X</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">9</container>
                                </did>
                            </c05>
                            <c05 id="ref330" level="file">
                                <did>
                                    <unittitle>J.R. Robinson</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">10</container>
                                </did>
                            </c05>
                            <c05 id="ref331" level="file">
                                <did>
                                    <unittitle>San Augustine County School Land</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">11</container>
                                </did>
                            </c05>
                            <c05 id="ref332" level="file">
                                <did>
                                    <unittitle>Shallowater,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">12</container>
                                    <unitdate>1913</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref333" level="file">
                                <did>
                                    <unittitle>Slaton</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">13</container>
                                </did>
                            </c05>
                            <c05 id="ref334" level="file">
                                <did>
                                    <unittitle>I 20- I 24,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">14</container>
                                    <unitdate>1920-1942</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref337" level="file">
                                <did>
                                    <unittitle>Triangulation,</unittitle>
                                    <container type="Box">68</container>
                                    <container type="Folder">15</container>
                                    <unitdate>1954</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref338" level="file">
                            <did>
                                <unittitle>Wolfforth</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">1</container>
                                <unitdate>1940</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref339" level="file">
                            <did>
                                <unittitle>Block I,J,S,O,P,R-G</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">2</container>
                                <unitdate>1917-1957</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref896" level="file">
                            <did>
                                <unittitle>Field Notes, Lubbock County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref897" level="file">
                            <did>
                                <unittitle>Field Notes, Lubbock County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref906" level="file">
                            <did>
                                <unittitle>Working Sketches, Lubbock County, 1101-1300,</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">6</container>
                                <unitdate>1935-1952</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref340" level="subseries">
                        <did>
                            <unittitle>Lynn County</unittitle>
                        </did>
                        <c04 id="ref813" level="file">
                            <did>
                                <unittitle>Block 1</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref814" level="file">
                            <did>
                                <unittitle>Blocks 2-8</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref815" level="file">
                            <did>
                                <unittitle>Blocks 9-12, 18, 21, 32</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref816" level="file">
                            <did>
                                <unittitle>Blocks A1, CB, C-O, C40, C41, C42</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref817" level="file">
                            <did>
                                <unittitle>Blocks, D20, D23, E</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref818" level="file">
                            <did>
                                <unittitle>Block H</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref819" level="file">
                            <did>
                                <unittitle>Blocks D23, I, J and Ketner School File</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref820" level="file">
                            <did>
                                <unittitle>Newhome</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref821" level="file">
                            <did>
                                <unittitle>O'Donnell</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref822" level="file">
                            <did>
                                <unittitle>Blocks L, MH, O, P, Z, Y and Wilson School Land</unittitle>
                                <container type="Box">69</container>
                                <container type="Folder">13</container>
                            </did>
                        </c04>
                        <c04 id="ref823" level="file">
                            <did>
                                <unittitle>Railroads: AB&amp;M, B&amp;B, D&amp;SE, EL&amp;RR, GRR, HE&amp;WT, H&amp;OB, LS&amp;V, Rusk Transportation, TTRR</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref824" level="file">
                            <did>
                                <unittitle>Tahoka</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref825" level="file">
                            <did>
                                <unittitle>Triangulation</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref826" level="file">
                            <did>
                                <unittitle>Wilson</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref827" level="file">
                            <did>
                                <unittitle>T Ranch</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref828" level="file">
                            <did>
                                <unittitle>Working Sketch</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref898" level="file">
                            <did>
                                <unittitle>Field Notes, Lynn County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref908" level="file">
                            <did>
                                <unittitle>Working Sketches, Lynn County, 301-500</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref829" level="subseries">
                        <did>
                            <unittitle>Martin County</unittitle>
                        </did>
                        <c04 id="ref830" level="file">
                            <did>
                                <unittitle>Agreements T&amp;P RR</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref831" level="file">
                            <did>
                                <unittitle>Cole-Stroud</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref832" level="file">
                            <did>
                                <unittitle>C. C. Slaughter</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref833" level="file">
                            <did>
                                <unittitle>J. D. Slaughter</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref834" level="file">
                            <did>
                                <unittitle>T&amp;P Field Book</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref835" level="file">
                            <did>
                                <unittitle>T&amp;P Railroad</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref836" level="file">
                        <did>
                            <unittitle>Mills County, Survey Notes</unittitle>
                            <container type="Box">70</container>
                            <container type="Folder">13</container>
                        </did>
                    </c03>
                    <c03 id="ref1001" level="subseries">
                        <did>
                            <unittitle>Mitchell County</unittitle>
                        </did>
                        <c04 id="ref837" level="file">
                            <did>
                                <unittitle>Mitchell County, folded maps</unittitle>
                                <container type="Box">70</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref889" level="file">
                            <did>
                                <unittitle>Field Notes, Michell County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref909" level="file">
                            <did>
                                <unittitle>Working Sketches, Mitchell County, 1001-1500</unittitle>
                                <container type="Box">76</container>
                                <container type="Folder">8</container>
                                <unitdate>1932-1940</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref228" level="file">
                        <did>
                            <unittitle>Moore County</unittitle>
                            <container type="Box">71</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref839" level="file">
                        <did>
                            <unittitle>Oldham County</unittitle>
                            <container type="Box">71</container>
                            <container type="Folder">3</container>
                        </did>
                    </c03>
                    <c03 id="ref841" level="subseries">
                        <did>
                            <unittitle>Pecos County</unittitle>
                        </did>
                        <c04 id="ref840" level="file">
                            <did>
                                <unittitle>Railroad field notes</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref842" level="file">
                            <did>
                                <unittitle>R. S. Dod</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref843" level="file">
                            <did>
                                <unittitle>Field notes</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref910" level="file">
                            <did>
                                <unittitle>Working Sketches, Pecos County,</unittitle>
                                <container type="Box">77</container>
                                <container type="Folder">1</container>
                                <unitdate>1927-1937</unitdate>
                            </did>
                        </c04>
                        <c04 id="ref899" level="file">
                            <did>
                                <unittitle>Field Notes, Pecos County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref844" level="subseries">
                        <did>
                            <unittitle>Reagan County</unittitle>
                        </did>
                        <c04 id="ref845" level="file">
                            <did>
                                <unittitle>Field notes</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref846" level="file">
                            <did>
                                <unittitle>Plats</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref847" level="file">
                            <did>
                                <unittitle>T&amp;P University Land</unittitle>
                                <container type="Box">71</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref848" level="file">
                        <did>
                            <unittitle>Reeves County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref849" level="file">
                        <did>
                            <unittitle>Roberts County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref850" level="file">
                        <did>
                            <unittitle>Schliecher County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">3</container>
                        </did>
                    </c03>
                    <c03 id="ref852" level="file">
                        <did>
                            <unittitle>Scurry County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">4</container>
                        </did>
                    </c03>
                    <c03 id="ref1000" level="subseries">
                        <did>
                            <unittitle>Sterling County</unittitle>
                        </did>
                        <c04 id="ref853" level="file">
                            <did>
                                <unittitle>Sterling County</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref890" level="file">
                            <did>
                                <unittitle>Field Notes, Sterling County</unittitle>
                                <container type="Box">74</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref854" level="subseries">
                        <did>
                            <unittitle>Stonewall County</unittitle>
                        </did>
                        <c04 id="ref851" level="file">
                            <did>
                                <unittitle>Stonewall County</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref855" level="file">
                            <did>
                                <unittitle>Stonewall - Haskell County Line</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref856" level="file">
                            <did>
                                <unittitle>Stonewall - King County Line</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref857" level="file">
                            <did>
                                <unittitle>Stonewall County</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref858" level="file">
                        <did>
                            <unittitle>Swisher County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">9</container>
                        </did>
                    </c03>
                    <c03 id="ref859" level="file">
                        <did>
                            <unittitle>Terrell County</unittitle>
                            <container type="Box">72</container>
                            <container type="Folder">10</container>
                        </did>
                    </c03>
                    <c03 id="ref860" level="subseries">
                        <did>
                            <unittitle>Terry County</unittitle>
                        </did>
                        <c04 id="ref861" level="file">
                            <did>
                                <unittitle>Brownfield</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref862" level="file">
                            <did>
                                <unittitle>Blocks C36-C39</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref863" level="file">
                            <did>
                                <unittitle>Blocks D8, D11, D12, D14</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">13</container>
                            </did>
                        </c04>
                        <c04 id="ref864" level="file">
                            <did>
                                <unittitle>Block DD</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">14</container>
                            </did>
                        </c04>
                        <c04 id="ref865" level="file">
                            <did>
                                <unittitle>Block E</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">15</container>
                            </did>
                        </c04>
                        <c04 id="ref866" level="file">
                            <did>
                                <unittitle>Triangulation</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">16</container>
                            </did>
                        </c04>
                        <c04 id="ref867" level="file">
                            <did>
                                <unittitle>Block T</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">17</container>
                            </did>
                        </c04>
                        <c04 id="ref868" level="file">
                            <did>
                                <unittitle>Grantee AB&amp;M, Whitley, Blocks CB, CO, 4X, I, M, O, Y</unittitle>
                                <container type="Box">72</container>
                                <container type="Folder">18</container>
                            </did>
                        </c04>
                        <c04 id="ref894" level="file">
                            <did>
                                <unittitle>Field Notes, Terry County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref911" level="file">
                            <did>
                                <unittitle>Working Sketches, Terry County,</unittitle>
                                <container type="Box">77</container>
                                <container type="Folder">2</container>
                                <unitdate>1926-1952</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref871" level="file">
                        <did>
                            <unittitle>Tom Green County</unittitle>
                            <container type="Box">73</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref872" level="file">
                        <did>
                            <unittitle>Upton County</unittitle>
                            <container type="Box">73</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref873" level="file">
                        <did>
                            <unittitle>Val Verde County</unittitle>
                            <container type="Box">73</container>
                            <container type="Folder">3</container>
                        </did>
                    </c03>
                    <c03 id="ref874" level="file">
                        <did>
                            <unittitle>Ward County</unittitle>
                            <container type="Box">73</container>
                            <container type="Folder">4</container>
                        </did>
                    </c03>
                    <c03 id="ref875" level="file">
                        <did>
                            <unittitle>Winkler County</unittitle>
                            <container type="Box">73</container>
                            <container type="Folder">5</container>
                        </did>
                    </c03>
                    <c03 id="ref876" level="file">
                        <did>
                            <unittitle>Yoakum County</unittitle>
                        </did>
                        <c04 id="ref877" level="file">
                            <did>
                                <unittitle>Twichell's 103rd Meridian</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref878" level="file">
                            <did>
                                <unittitle>Block D, 1-249</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref879" level="file">
                            <did>
                                <unittitle>Block D, 250-499</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref880" level="file">
                            <did>
                                <unittitle>Block D, 500-906</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref881" level="file">
                            <did>
                                <unittitle>Denver City</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref882" level="file">
                            <did>
                                <unittitle>Triangulation</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref883" level="file">
                            <did>
                                <unittitle>Block K</unittitle>
                                <container type="Box">73</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref900" level="file">
                            <did>
                                <unittitle>Field Notes, Yoakum County</unittitle>
                                <container type="Box">75</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref912" level="file">
                            <did>
                                <unittitle>Working Sketches, Yoakum County,</unittitle>
                                <container type="Box">77</container>
                                <container type="Folder">3</container>
                                <unitdate>1929-1954</unitdate>
                            </did>
                        </c04>
                    </c03>
                </c02>
                <c02 id="ref838" level="file">
                    <did>
                        <unittitle>Correspondence, New Mexico</unittitle>
                        <container type="Box">71</container>
                        <container type="Folder">2</container>
                        <unitdate>1951</unitdate>
                    </did>
                </c02>
                <c02 id="ref884" level="file">
                    <did>
                        <unittitle>Field Notes, T&amp;P Railroad</unittitle>
                        <container type="Box">74</container>
                        <container type="Folder">1</container>
                    </did>
                </c02>
                <c02 id="ref913" level="file">
                    <did>
                        <unittitle>Working Sketches, T&amp;P Railroad,</unittitle>
                        <container type="Box">77</container>
                        <container type="Folder">4</container>
                        <unitdate>1940</unitdate>
                    </did>
                </c02>
                <c02 id="ref1114" level="file">
                    <did>
                        <unittitle>Field Books,</unittitle>
                        <container type="Bin" label="Books">137</container>
                        <container type="Folder">1</container>
                        <unitdate>1929-1930</unitdate>
                    </did>
                </c02>
            </c01>
            <c01 id="ref431" level="series">
                <did>
                    <unittitle>Robert E. Estes Records</unittitle>
                    <physdesc>
                        <extent>(15 document boxes)</extent>
                    </physdesc>
                    
                </did>
                <c02 id="ref442" level="subseries">
                    <did>
                        <unittitle>Maps, Sketches and Field Notes</unittitle>
                        <unitdate>1924-1950</unitdate>
                    </did>
                    <c03 id="ref914" level="file">
                        <did>
                            <unittitle>Map Exhibits, A-Z</unittitle>
                            <container type="Box">79</container>
                            <container type="Folder">1-2</container>
                        </did>
                    </c03>
                    <c03 id="ref915" level="file">
                        <did>
                            <unittitle>Map Exhibits, AA-AZ</unittitle>
                            <container type="Box">79</container>
                            <container type="Folder">1-11</container>
                        </did>
                    </c03>
                    <c03 id="ref924" level="file">
                        <did>
                            <unittitle>Map Exhibits, BA-BZ</unittitle>
                            <container type="Box">80</container>
                            <container type="Folder">1-13</container>
                        </did>
                    </c03>
                    <c03 id="ref928" level="file">
                        <did>
                            <unittitle>Map Exhibits, Unidentified Duval County</unittitle>
                            <container type="Box">81</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref929" level="file">
                        <did>
                            <unittitle>Map Exhibits, CA-CN</unittitle>
                            <container type="Box">81</container>
                            <container type="Folder">2-15</container>
                        </did>
                    </c03>
                    <c03 id="ref930" level="file">
                        <did>
                            <unittitle>Map Exhibits, CO-CZ</unittitle>
                            <container type="Box">82</container>
                            <container type="Folder">1-10</container>
                        </did>
                    </c03>
                    <c03 id="ref931" level="file">
                        <did>
                            <unittitle>Map Exhibits, DA-DZ</unittitle>
                            <container type="Box">83</container>
                            <container type="Folder">1-23</container>
                        </did>
                    </c03>
                    <c03 id="ref932" level="file">
                        <did>
                            <unittitle>Map Exhibits, EA-EE</unittitle>
                            <container type="Box">83</container>
                            <container type="Folder">24-29</container>
                        </did>
                    </c03>
                    <c03 id="ref933" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EF</unittitle>
                        </did>
                        <c04 id="ref934" level="file">
                            <did>
                                <unittitle>Andrews County, Correspondence, A24-A81</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">1-2</container>
                            </did>
                        </c04>
                        <c04 id="ref935" level="file">
                            <did>
                                <unittitle>Crane County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref936" level="file">
                            <did>
                                <unittitle>Crockett County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref937" level="file">
                            <did>
                                <unittitle>Ector County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref938" level="file">
                            <did>
                                <unittitle>Glasscock County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref939" level="file">
                            <did>
                                <unittitle>Martin County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref940" level="file">
                            <did>
                                <unittitle>Duval County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref941" level="file">
                            <did>
                                <unittitle>Culberson County Correspondence</unittitle>
                                <container type="Box">84</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref942" level="file">
                            <did>
                                <unittitle>Gaines County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref943" level="file">
                            <did>
                                <unittitle>Howard County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref944" level="file">
                            <did>
                                <unittitle>Reagan County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref945" level="file">
                            <did>
                                <unittitle>Pecos County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref946" level="file">
                            <did>
                                <unittitle>Midland County Correspondence,</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">5</container>
                                <unitdate>1933-1948</unitdate>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref947" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EG</unittitle>
                        </did>
                        <c04 id="ref948" level="file">
                            <did>
                                <unittitle>Scurry County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref949" level="file">
                            <did>
                                <unittitle>Sterling County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref950" level="file">
                            <did>
                                <unittitle>Tom Green County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref951" level="file">
                            <did>
                                <unittitle>Upton County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref952" level="file">
                            <did>
                                <unittitle>Ward County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref953" level="file">
                            <did>
                                <unittitle>Unamed County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref954" level="file">
                            <did>
                                <unittitle>Winkler County Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref955" level="file">
                            <did>
                                <unittitle>Personal Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref956" level="file">
                            <did>
                                <unittitle>Incomplete Correspondence</unittitle>
                                <container type="Box">85</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref957" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EH</unittitle>
                        </did>
                        <c04 id="ref958" level="file">
                            <did>
                                <unittitle>Andrews County, Unorganized surveys</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref959" level="file">
                            <did>
                                <unittitle>Andrews County, Field Notes, A19-A55</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref960" level="file">
                            <did>
                                <unittitle>Andrews County, Public School Land, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref961" level="file">
                            <did>
                                <unittitle>Andrews County, Strips, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref962" level="file">
                            <did>
                                <unittitle>Andrews County, University Blocks, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref963" level="file">
                            <did>
                                <unittitle>Andrews County, Original Blocks, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref964" level="file">
                            <did>
                                <unittitle>Andrews County, Block C45, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref965" level="file">
                            <did>
                                <unittitle>Andrews County, Blocks 40, 44, Field Notes</unittitle>
                                <container type="Box">86</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref966" level="file">
                        <did>
                            <unittitle>Map Exhibits, EI, PSL Field Notes</unittitle>
                            <container type="Box">87</container>
                        </did>
                    </c03>
                    <c03 id="ref967" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EJ</unittitle>
                        </did>
                        <c04 id="ref969" level="file">
                            <did>
                                <unittitle>Crane Co., Blocks B2-4, B17-28, B32</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref970" level="file">
                            <did>
                                <unittitle>Crane Co., Blocks X, University, Crane-Ward Line, PSL, Strips</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref971" level="file">
                            <did>
                                <unittitle>Crockett Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref968" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EK</unittitle>
                        </did>
                        <c04 id="ref972" level="file">
                            <did>
                                <unittitle>Culberson Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref973" level="file">
                            <did>
                                <unittitle>Dawson Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref974" level="file">
                            <did>
                                <unittitle>Duval Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref975" level="file">
                            <did>
                                <unittitle>Ector Co., Blocks A, B7-B15, 41-45</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref976" level="file">
                            <did>
                                <unittitle>Ector Co., Original F/N, Strips, Lines, Assorted</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                        <c04 id="ref977" level="file">
                            <did>
                                <unittitle>Gaines Co., Blocks A8-A12, A20-A34, C43-C45, G, North Line Gaines Co &amp; ties to all adjoining blocks</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">9</container>
                            </did>
                        </c04>
                        <c04 id="ref978" level="file">
                            <did>
                                <unittitle>Gaines Co., Gaines to Fisher Co lines, Strips, Assorted</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">10</container>
                            </did>
                        </c04>
                        <c04 id="ref979" level="file">
                            <did>
                                <unittitle>Glasscock Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">11</container>
                            </did>
                        </c04>
                        <c04 id="ref980" level="file">
                            <did>
                                <unittitle>Howard Co.</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">12</container>
                            </did>
                        </c04>
                        <c04 id="ref981" level="file">
                            <did>
                                <unittitle>Pecos Co. F/N</unittitle>
                                <container type="Box">88</container>
                                <container type="Folder">13</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref982" level="subseries">
                        <did>
                            <unittitle>Map Exhibits, EL</unittitle>
                        </did>
                        <c04 id="ref984" level="file">
                            <did>
                                <unittitle>Reagan Co., Blocks B, C, D, 35-37</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">1</container>
                            </did>
                        </c04>
                        <c04 id="ref985" level="file">
                            <did>
                                <unittitle>Reeves Co., Original F/N</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">2</container>
                            </did>
                        </c04>
                        <c04 id="ref986" level="file">
                            <did>
                                <unittitle>Scurry Co.</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">3</container>
                            </did>
                        </c04>
                        <c04 id="ref987" level="file">
                            <did>
                                <unittitle>Sterling Co., Blocks 18, 23, 31, J. A. Soulard</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">4</container>
                            </did>
                        </c04>
                        <c04 id="ref988" level="file">
                            <did>
                                <unittitle>Tom Green Co.</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">5</container>
                            </did>
                        </c04>
                        <c04 id="ref989" level="file">
                            <did>
                                <unittitle>Upton Co., Lines, Blocks A-E, Grants, blocks 37-42</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">6</container>
                            </did>
                        </c04>
                        <c04 id="ref990" level="file">
                            <did>
                                <unittitle>Upton Co., Original F/N, Bocks N-Y, block 35 H&amp;TC</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">7</container>
                            </did>
                        </c04>
                        <c04 id="ref991" level="file">
                            <did>
                                <unittitle>Ward Co., Blocks 34, B29, Strips, Oringal F/N, University blocks, Blocks A-F, N, Assorted</unittitle>
                                <container type="Box">89</container>
                                <container type="Folder">8</container>
                            </did>
                        </c04>
                    </c03>
                    <c03 id="ref983" level="file">
                        <did>
                            <unittitle>Map Exhibits, EM, Winkler Co., Blocks 3, 26-46, A56-57, B2-B5, C23, Original F/N</unittitle>
                            <container type="Box">89</container>
                            <container type="Folder">9</container>
                        </did>
                    </c03>
                    <c03 id="ref992" level="file">
                        <did>
                            <unittitle>Martin Co., Field Notes</unittitle>
                            <container type="Box">90</container>
                            <container type="Folder">1-8</container>
                        </did>
                    </c03>
                    <c03 id="ref993" level="file">
                        <did>
                            <unittitle>Midland Co., Field Notes</unittitle>
                            <container type="Box">90</container>
                            <container type="Folder">9-17</container>
                        </did>
                    </c03>
                    <c03 id="ref994" level="file">
                        <did>
                            <unittitle>Mitchell Co., Field Notes</unittitle>
                            <container type="Box">90</container>
                            <container type="Folder">18</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref443" level="subseries">
                    <did>
                        <unittitle>Field books</unittitle>
                    </did>
                    <c03 id="ref995" level="file">
                        <did>
                            <unittitle>Field Books, 1-18</unittitle>
                            <container type="Box">91</container>
                            <container type="Folder"></container>
                        </did>
                    </c03>
                    <c03 id="ref996" level="file">
                        <did>
                            <unittitle>Field Books, 19-21</unittitle>
                            <container type="Box">92</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref997" level="file">
                        <did>
                            <unittitle>Field Books, 22-42</unittitle>
                            <container type="Box">93</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref525" level="subseries">
                    <did>
                        <unittitle>Paper Index and Index to Microfilm</unittitle>
                        <container type="Box">137</container>
                        <container type="Folder">1-4</container>
                    </did>
                </c02>
                <c02 id="ref998" level="file">
                    <did>
                        <unittitle>Weather Notes</unittitle>
                        <container type="Box">92</container>
                        <container type="Folder">2</container>
                        <unitdate>1891-1917</unitdate>
                    </did>
                </c02>
            </c01>
            <c01 id="ref11" level="series">
                <did>
                    <unittitle>Edgar C. Saunders Records</unittitle>
                    <container type="Box">137</container>
                    <container type="Box">138</container>
                    <container type="Box">OS 139</container>
                    <physdesc>
                        <extent>(17 document boxes, 1 oversize box)</extent>
                    </physdesc>
                    <unitdate>1882-1960</unitdate>
                    
                </did>
                <scopecontent id="ref514">
                    <head>Scope and Contents of the Series</head>
                    <p>Deteriorating maps, sketches, field notes, field books, and correspondence comprise the Edgar C. Saunders Records. Geographic areas covered include Brewster, Crane, Crockett, Edwards, Irion, Kimble, Menard, Pecos, Presidio, Reagan, Real, Sutton, Schleicher, Terrell, Tom Green, and Val Verde counties.</p>
                </scopecontent>
                <c02 id="ref527" level="subseries">
                    <did>
                        <unittitle>Survey Records, by County</unittitle>
                    </did>
                    <c03 id="ref1074" level="file">
                        <did>
                            <unittitle>Brewster County Map</unittitle>
                            <container type="Box">94</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref1075" level="file">
                        <did>
                            <unittitle>Crane County Working Sketch</unittitle>
                            <container type="Box">94</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref1076" level="file">
                        <did>
                            <unittitle>Crockett County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">94</container>
                            <container type="Folder">3-14</container>
                        </did>
                    </c03>
                    <c03 id="ref1077" level="file">
                        <did>
                            <unittitle>Crockett County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">95</container>
                            <container type="Folder">1-21</container>
                        </did>
                    </c03>
                    <c03 id="ref1080" level="file">
                        <did>
                            <unittitle>Edwards County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">95</container>
                            <container type="Folder">22-35</container>
                        </did>
                    </c03>
                    <c03 id="ref1079" level="file">
                        <did>
                            <unittitle>Edwards County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">96</container>
                            <container type="Folder">1-30</container>
                        </did>
                    </c03>
                    <c03 id="ref1081" level="file">
                        <did>
                            <unittitle>Irion County Sketches</unittitle>
                            <container type="Box">97</container>
                            <container type="Folder">1-4</container>
                        </did>
                    </c03>
                    <c03 id="ref1082" level="file">
                        <did>
                            <unittitle>Kimble County: Field Notes and Working Sketches</unittitle>
                            <container type="Box">97</container>
                            <container type="Folder">5-11</container>
                        </did>
                    </c03>
                    <c03 id="ref1083" level="file">
                        <did>
                            <unittitle>Menard County Survey Map</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">1-4</container>
                        </did>
                    </c03>
                    <c03 id="ref1084" level="file">
                        <did>
                            <unittitle>Pecos County: Working Sketches and Field Notes</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">5-11</container>
                        </did>
                    </c03>
                    <c03 id="ref1085" level="file">
                        <did>
                            <unittitle>Presidio County Field Notes</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">12</container>
                        </did>
                    </c03>
                    <c03 id="ref1086" level="file">
                        <did>
                            <unittitle>Reagan County: City of Best Working Sketch</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">13</container>
                        </did>
                    </c03>
                    <c03 id="ref1087" level="file">
                        <did>
                            <unittitle>Real County Working Sketch</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">14</container>
                        </did>
                    </c03>
                    <c03 id="ref1088" level="file">
                        <did>
                            <unittitle>Schleicher County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">98</container>
                            <container type="Folder">1-30</container>
                        </did>
                    </c03>
                    <c03 id="ref1089" level="file">
                        <did>
                            <unittitle>Schleicher County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">99</container>
                            <container type="Folder">1-24</container>
                        </did>
                    </c03>
                    <c03 id="ref1090" level="file">
                        <did>
                            <unittitle>Sutton County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">100</container>
                            <container type="Folder">1-25</container>
                        </did>
                    </c03>
                    <c03 id="ref1091" level="file">
                        <did>
                            <unittitle>Sutton County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">101</container>
                            <container type="Folder">1-21</container>
                        </did>
                    </c03>
                    <c03 id="ref1094" level="file">
                        <did>
                            <unittitle>Sutton County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">102</container>
                            <container type="Folder">1-21</container>
                        </did>
                    </c03>
                    <c03 id="ref1092" level="file">
                        <did>
                            <unittitle>Sutton County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">103</container>
                            <container type="Folder">1-11</container>
                        </did>
                    </c03>
                    <c03 id="ref1093" level="file">
                        <did>
                            <unittitle>Sutton County: Working Sketches, Field Notes, County Map and Correspondence</unittitle>
                            <container type="Box">104</container>
                            <container type="Folder">1-21</container>
                        </did>
                    </c03>
                    <c03 id="ref1095" level="file">
                        <did>
                            <unittitle>Terrell County: Working Sketches, Field Notes, and Correspondence</unittitle>
                            <container type="Box">104</container>
                            <container type="Folder">22-27</container>
                        </did>
                    </c03>
                    <c03 id="ref1096" level="file">
                        <did>
                            <unittitle>Tom Green County: Working Sketches and Field Notes</unittitle>
                            <container type="Box">104</container>
                            <container type="Folder">28-32</container>
                        </did>
                    </c03>
                    <c03 id="ref1097" level="file">
                        <did>
                            <unittitle>Val Verde County: Working Sketches and Field Notes</unittitle>
                            <container type="Box">105</container>
                            <container type="Folder">1-37</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref1110" level="subseries">
                    <did>
                        <unittitle>Survey Records, unorganized</unittitle>
                    </did>
                    <c03 id="ref1098" level="file">
                        <did>
                            <unittitle>Sol Mayer: Working Sketches and Field Notes</unittitle>
                            <container type="Box">106</container>
                            <container type="Folder">1-4</container>
                        </did>
                    </c03>
                    <c03 id="ref1099" level="file">
                        <did>
                            <unittitle>W. L. Miers: Tax Valuation of property</unittitle>
                            <container type="Box">106</container>
                            <container type="Folder">5</container>
                        </did>
                    </c03>
                    <c03 id="ref1109" level="file">
                        <did>
                            <unittitle>Field Notes (unorganized)</unittitle>
                            <container type="Box">108</container>
                            <container type="Folder">2</container>
                            <unitdate>1898-1940</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref1111" level="file">
                        <did>
                            <unittitle>University Land in Crockett, Reagan, Upton Counties</unittitle>
                            <container type="Box">108</container>
                            <container type="Folder">3</container>
                        </did>
                    </c03>
                    <c03 id="ref1045" level="file">
                        <did>
                            <unittitle>Various blank survey forms</unittitle>
                            <container type="Box">108</container>
                            <container type="Folder">5-14</container>
                        </did>
                    </c03>
                    <c03 id="ref1112" level="file">
                        <did>
                            <unittitle>Dobson Heirs Field Notes</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">15</container>
                        </did>
                    </c03>
                    <c03 id="ref1113" level="file">
                        <did>
                            <unittitle>Roy Hudspeth and Giles Hill Field Notes</unittitle>
                            <container type="Box">138</container>
                            <container type="Folder">16-18</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref1102" level="subseries">
                    <did>
                        <unittitle>Correspondence</unittitle>
                    </did>
                    <c03 id="ref1100" level="file">
                        <did>
                            <unittitle>Correspondence (unorganized)</unittitle>
                            <container type="Box">106</container>
                            <container type="Folder">6</container>
                        </did>
                    </c03>
                    <c03 id="ref1103" level="file">
                        <did>
                            <unittitle>Parker and Mund Survey Correspondence</unittitle>
                            <container type="Box">107</container>
                            <container type="Folder">1</container>
                        </did>
                    </c03>
                    <c03 id="ref1105" level="file">
                        <did>
                            <unittitle>Assorted Correspondence</unittitle>
                            <container type="Box">107</container>
                            <container type="Folder">2</container>
                        </did>
                    </c03>
                    <c03 id="ref1106" level="file">
                        <did>
                            <unittitle>Saunders, John McNichol and others</unittitle>
                            <container type="Box">107</container>
                            <container type="Folder">3</container>
                        </did>
                    </c03>
                    <c03 id="ref1107" level="file">
                        <did>
                            <unittitle>John McNichol</unittitle>
                            <container type="Box">107</container>
                            <container type="Folder">4</container>
                        </did>
                    </c03>
                    <c03 id="ref1108" level="file">
                        <did>
                            <unittitle>Organized by Company Name or Last Name</unittitle>
                            <container type="Box">107</container>
                            <container type="Folder">5</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref1006" level="subseries">
                    <did>
                        <unittitle>Field Books</unittitle>
                    </did>
                    <c03 id="ref1115" level="file">
                        <did>
                            <unittitle>Field Books 3-8; 22; undated (3),</unittitle>
                            <container type="Box">137</container>
                            <container type="Folder">5</container>
                            <unitdate>1914-1920, undated</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref1007" level="file">
                        <did>
                            <unittitle>Field Book 70 with index,</unittitle>
                            <container type="Box">108</container>
                            <container type="Folder">1</container>
                            <unitdate>1923-1924</unitdate>
                        </did>
                    </c03>
                    <c03 id="ref1116" level="file">
                        <did>
                            <unittitle>Field Book Index (3 copies)</unittitle>
                            <container type="Box">137</container>
                            <container type="Folder">6</container>
                        </did>
                    </c03>
                    <c03 id="ref1119" level="file">
                        <did>
                            <unittitle>Field Books 1-27; 65</unittitle>
                            <container type="Box">140</container>
                        </did>
                    </c03>
                </c02>
                <c02 id="ref1101" level="file">
                    <did>
                        <unittitle>Printed Material: Legal and Reference publications</unittitle>
                        <container type="Box">106</container>
                        <container type="Folder">7-8</container>
                    </did>
                </c02>
                <c02 id="ref1008" level="file">
                    <did>
                        <unittitle>2nd and 3rd Annual Texas Surveyors Association Short Course</unittitle>
                        <container type="Box">108</container>
                        <container type="Folder">4</container>
                        <unitdate>1953-1954</unitdate>
                    </did>
                </c02>
            </c01>
            <c01 id="ref432" level="series">
                <did>
                    <unittitle>Robert A. Estes Humble Research Files</unittitle>
                    <physdesc>
                        <extent>(12 document boxes)</extent>
                    </physdesc>
                    <unitdate>1846-1972</unitdate>
                    
                </did>
                <c02 id="ref435" level="subseries">
                    <did>
                        <unittitle>Texas and Pacific Railway</unittitle>
                        <container type="Box">109-115</container>
                        <unitdate>1851-1972</unitdate>
                    </did>
                </c02>
                <c02 id="ref506" level="subseries">
                    <did>
                        <unittitle>Crockett County</unittitle>
                        <container type="Box">115</container>
                        <unitdate>1893-1934</unitdate>
                    </did>
                </c02>
                <c02 id="ref501" level="subseries">
                    <did>
                        <unittitle>Land District and Colony Sketch Files</unittitle>
                        <container type="Box">116</container>
                        <unitdate>1846-1882</unitdate>
                    </did>
                </c02>
                <c02 id="ref502" level="subseries">
                    <did>
                        <unittitle>Capitol Lands Maps and Reports</unittitle>
                        <container type="Box">117</container>
                        <unitdate>1880-1919, 1956</unitdate>
                    </did>
                </c02>
                <c02 id="ref507" level="subseries">
                    <did>
                        <unittitle>University Lands</unittitle>
                        <container type="Box">118</container>
                    </did>
                </c02>
                <c02 id="ref503" level="subseries">
                    <did>
                        <unittitle>R. A. Estes Files</unittitle>
                        <container type="Box">119-120</container>
                        <unitdate>1876-1944</unitdate>
                    </did>
                </c02>
            </c01>
            <c01 id="ref10" level="series">
                <did>
                    <unittitle>Photographic Materials</unittitle>
                    <physdesc>
                        <extent>(4 photograph boxes, 24 slide boxes)</extent>
                    </physdesc>
                    <unitdate>1948-1964, undated</unitdate>
                </did>
                <scopecontent id="ref539">
                    <head>Scope and Contents of the Series</head>
                    <p>Slides prepared for presentation at the 1958 Exploration Conference. These presentation slides generally show geological maps and data on West Texas.</p>
                </scopecontent>
                <c02 id="ref342" level="subseries">
                    <did>
                        <unittitle>Photographic Prints</unittitle>
                        <container type="Box">121-123</container>
                        
                    </did>
                    <c03 id="ref345" level="subseries">
                        <did>
                            <unittitle>Arizona and New Mexico</unittitle>
                        </did>
                        <c04 id="ref347" level="subseries">
                            <did>
                                <unittitle>Apache County, AZ</unittitle>
                            </did>
                            <c05 id="ref348" level="file">
                                <did>
                                    <unittitle>Boundary Butte Area</unittitle>
                                    <unitdate>1948, 1955</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref349" level="subseries">
                            <did>
                                <unittitle>Eddy County, NM</unittitle>
                            </did>
                            <c05 id="ref350" level="file">
                                <did>
                                    <unittitle>Seven Rivers Block</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref351" level="file">
                                <did>
                                    <unittitle>Huapache Area</unittitle>
                                    <unitdate>1954, undated</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref352" level="subseries">
                            <did>
                                <unittitle>Guadalupe County, NM</unittitle>
                            </did>
                            <c05 id="ref353" level="file">
                                <did>
                                    <unittitle>N. Newkirk Area</unittitle>
                                    <unitdate>1963</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref354" level="subseries">
                            <did>
                                <unittitle>Lea County, NM</unittitle>
                            </did>
                            <c05 id="ref355" level="file">
                                <did>
                                    <unittitle>Candill Devonian Area</unittitle>
                                    <unitdate>1955</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref357" level="subseries">
                            <did>
                                <unittitle>Rio Arriba County, NM</unittitle>
                            </did>
                            <c05 id="ref365" level="file">
                                <did>
                                    <unittitle>Jicarilla Area</unittitle>
                                    <unitdate>1951, 1955, undated</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref359" level="subseries">
                            <did>
                                <unittitle>Sandoval County, NM</unittitle>
                            </did>
                            <c05 id="ref366" level="file">
                                <did>
                                    <unittitle>McKeller Ranch Block</unittitle>
                                    <unitdate>Nov. 13, 1953</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref362" level="subseries">
                            <did>
                                <unittitle>San Juan County, NM</unittitle>
                            </did>
                            <c05 id="ref373" level="file">
                                <did>
                                    <unittitle>Beautiful Mountain Area/Block</unittitle>
                                    <unitdate>1954, 1956</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref374" level="file">
                                <did>
                                    <unittitle>Chimney Rock Area</unittitle>
                                    <unitdate>1949</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref375" level="file">
                                <did>
                                    <unittitle>SW Farmington Area/Block</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref376" level="file">
                                <did>
                                    <unittitle>Navajo Boundary Survey</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref377" level="file">
                                <did>
                                    <unittitle>Preliminary Investigation of San Juan River</unittitle>
                                    <unitdate>1956</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref378" level="file">
                                <did>
                                    <unittitle>Ute Mountain</unittitle>
                                </did>
                            </c05>
                        </c04>
                        <c04 id="ref379" level="subseries">
                            <did>
                                <unittitle>Valencia County, NM</unittitle>
                            </did>
                            <c05 id="ref380" level="file">
                                <did>
                                    <unittitle>Evans Ranch</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref381" level="file">
                                <did>
                                    <unittitle>Los Lunas Block</unittitle>
                                    <unitdate>1952</unitdate>
                                </did>
                            </c05>
                        </c04>
                    </c03>
                    <c03 audience="internal" id="ref382" level="subseries">
                        <did>
                            <unittitle>Texas</unittitle>
                        </did>
                        <c04 audience="internal" id="ref383" level="subseries">
                            <did>
                                <unittitle>Andrews County</unittitle>
                            </did>
                            <c05 id="ref384" level="file">
                                <did>
                                    <unittitle>Freund Block</unittitle>
                                    <unitdate>1947</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref385" level="file">
                                <did>
                                    <unittitle>Means Field</unittitle>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref386" level="subseries">
                            <did>
                                <unittitle>Coke County</unittitle>
                            </did>
                            <c05 id="ref387" level="file">
                                <did>
                                    <unittitle>N. Bronte Area</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref388" level="file">
                                <did>
                                    <unittitle>S. Bronte Area</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref389" level="file">
                                <did>
                                    <unittitle>Colorado River State Lease</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref390" level="file">
                                <did>
                                    <unittitle>Johnson Area</unittitle>
                                    <unitdate>1953, undated</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref391" level="file">
                                <did>
                                    <unittitle>McCabe Area</unittitle>
                                    <unitdate>1961</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref392" level="file">
                                <did>
                                    <unittitle>Pioneer Area</unittitle>
                                    <unitdate>1961</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref393" level="file">
                                <did>
                                    <unittitle>NW Robert Lee</unittitle>
                                    <unitdate>1958, undated</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref394" level="file">
                                <did>
                                    <unittitle>S. Robert Lee</unittitle>
                                    <unitdate>1952, 1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref395" level="file">
                                <did>
                                    <unittitle>Weaver Block</unittitle>
                                    <unitdate>1955</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref396" level="subseries">
                            <did>
                                <unittitle>Crane County</unittitle>
                            </did>
                            <c05 id="ref397" level="file">
                                <did>
                                    <unittitle>E. Cordova Lake Area</unittitle>
                                    <unitdate>1954</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref398" level="subseries">
                            <did>
                                <unittitle>Crockett County</unittitle>
                            </did>
                            <c05 id="ref399" level="file">
                                <did>
                                    <unittitle>Baggett Area</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref400" level="file">
                                <did>
                                    <unittitle>Bailey Block</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref401" level="file">
                                <did>
                                    <unittitle>Bean Area</unittitle>
                                    <unitdate>1963</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref402" level="file">
                                <did>
                                    <unittitle>Noelke Block</unittitle>
                                    <unitdate>1953</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref403" level="file">
                                <did>
                                    <unittitle>Ranch Strawn Area</unittitle>
                                    <unitdate>1961</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref404" level="file">
                                <did>
                                    <unittitle>Shannon Area</unittitle>
                                    <unitdate>1963</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref405" level="subseries">
                            <did>
                                <unittitle>Culberson County</unittitle>
                            </did>
                            <c05 id="ref406" level="file">
                                <did>
                                    <unittitle>Foster Area</unittitle>
                                    <unitdate>Jan. 1953-Mar. 1954</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref407" level="file">
                                <did>
                                    <unittitle>Hunter Ranch</unittitle>
                                    <unitdate>1961</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref408" level="file">
                                <did>
                                    <unittitle>Pratt Vacancy</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref409" level="file">
                                <did>
                                    <unittitle>PSL Blocks 113 &amp; 114</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref410" level="file">
                                <did>
                                    <unittitle>T&amp;P Blocks 53-61</unittitle>
                                    <unitdate>1958</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref412" level="subseries">
                            <did>
                                <unittitle>Gaines County</unittitle>
                            </did>
                            <c05 id="ref413" level="file">
                                <did>
                                    <unittitle>SE Gaines Area</unittitle>
                                    <unitdate>1960</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref414" level="file">
                                <did>
                                    <unittitle>Justiceberg</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref415" level="file">
                                <did>
                                    <unittitle>Slaughter Area/Estate</unittitle>
                                    <unitdate>1957, 1960, undated</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref416" level="file">
                                <did>
                                    <unittitle>Southland Area</unittitle>
                                    <unitdate>1964</unitdate>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref417" level="subseries">
                            <did>
                                <unittitle>Glasscock County</unittitle>
                            </did>
                            <c05 id="ref418" level="file">
                                <did>
                                    <unittitle>Unidentified</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref419" level="file">
                                <did>
                                    <unittitle>Wilson Vacancy</unittitle>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref420" level="subseries">
                            <did>
                                <unittitle>Howard County</unittitle>
                            </did>
                            <c05 id="ref421" level="file">
                                <did>
                                    <unittitle>Edwards Lease</unittitle>
                                    <unitdate>1964</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref422" level="file">
                                <did>
                                    <unittitle>SE Howard Glasscock (formerly Seven Rivers)</unittitle>
                                    <unitdate>1957</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref423" level="file">
                                <did>
                                    <unittitle>Snyder Area</unittitle>
                                    <unitdate>1962</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref424" level="file">
                                <did>
                                    <unittitle>Suggs Area</unittitle>
                                </did>
                            </c05>
                            <c05 id="ref425" level="file">
                                <did>
                                    <unittitle>NW Suggs Area</unittitle>
                                    <unitdate>1952, undated</unitdate>
                                </did>
                            </c05>
                            <c05 id="ref426" level="file">
                                <did>
                                    <unittitle>Williams Block/Area</unittitle>
                                </did>
                            </c05>
                        </c04>
                        <c04 audience="internal" id="ref427" level="subseries">
                            <did>
                                <unittitle>Irion County</unittitle>
                            </did>
                            <c05 id="ref428" level="file">
                                <did>
                                    <unittitle>Mertzon Block</unittitle>
                                </did>
                            </c05>
                        </c04>
                    </c03>
                </c02>
                <c02 id="ref522" level="file">
                    <did>
                        <unittitle>Photo Album</unittitle>
                        <container type="Box">133</container>
                        <unitdate>1928-12</unitdate>
                    </did>
                </c02>
                <c02 id="ref343" level="file">
                    <did>
                        <unittitle>Photographic Negatives</unittitle>
                        <container type="Box">124</container>
                    </did>
                </c02>
                <c02 id="ref531" level="file">
                    <did>
                        <unittitle>Photographic Negatives</unittitle>
                        <container type="Box">134</container>
                    </did>
                </c02>
                <c02 id="ref344" level="subseries">
                    <did>
                        <unittitle>Slides</unittitle>
                        
                    </did>
                    <c03 id="ref439" level="file">
                        <did>
                            <unittitle>Field Slides</unittitle>
                            <container type="Box">135</container>
                        </did>
                    </c03>
                    <c03 id="ref440" level="file">
                        <did>
                            <unittitle>Conference Slides</unittitle>
                            <container type="Box">125-128</container>
                            <unitdate>1958</unitdate>
                        </did>
                    </c03>
                </c02>
            </c01>
            <c01 id="ref437" level="series">
                <did>
                    <unittitle>Administrative Records</unittitle>
                    <physdesc>
                        <extent>(1 document box)</extent>
                    </physdesc>
                    <unitdate>1952-1984</unitdate>
                    <origination label="Creator:">
                        <corpname encodinganalog="610" source="local">Twichell Survey Records Committee.</corpname>
                    </origination>
                </did>
                <c02 id="ref459" level="subseries">
                    <did>
                        <unittitle>Robert E. Estes Inventory and Purchase Agreement</unittitle>
                        <container type="Box">132</container>
                        <unitdate>ca 1952</unitdate>
                    </did>
                </c02>
                <c02 id="ref460" level="file">
                    <did>
                        <unittitle>Twichell Survey Records Committee Correspondence</unittitle>
                        <container type="Box">132</container>
                        <unitdate>1959-1984</unitdate>
                    </did>
                </c02>
            </c01>
            <c01 id="ref504" level="series">
                <did>
                    <unittitle>Ephemera,</unittitle>
                    <physdesc>
                        <extent>(1 document box)</extent>
                    </physdesc>
                    <unitdate>1935-1966; undated</unitdate>
                </did>
                <c02 id="ref747" level="file">
                    <did>
                        <unittitle>Book. Mitchell, Hugh C. 
                            <emph render="bold">First-order Triangulation in Texas (1927 Datum).</emph> Washington, D.C: Govt. print. off,</unittitle>
                        <container type="Box">55</container>
                        <unitdate>1935</unitdate>
                    </did>
                </c02>
                <c02 id="ref748" level="file">
                    <did>
                        <unittitle>Book plates (8)</unittitle>
                        <container type="Box">55</container>
                    </did>
                </c02>
                <c02 id="ref749" level="file">
                    <did>
                        <unittitle>Microfilm. Humble Oil Co., GLO (Federal) Plats, Illinois, So. Dakota,</unittitle>
                        <container type="Box">55</container>
                        <unitdate>1966</unitdate>
                    </did>
                </c02>
                <c02 id="ref1118" level="file">
                    <did>
                        <unittitle>Material check-out forms,</unittitle>
                        <container type="Box">137</container>
                        <container type="Folder">8</container>
                        <unitdate>1960-1984</unitdate>
                    </did>
                </c02>
            </c01>
        </dsc>
    </archdesc>
</ead>
