<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE ead PUBLIC "+//ISBN 1-931666-00-8//DTD ead.dtd (Encoded Archival Description (EAD) Version 2002)//EN" "ead.dtd">
<ead relatedencoding="marc21">
  <eadheader audience="internal"> 
	 <eadid countrycode="US" mainagencycode="TxU-TH"
	  encodinganalog="852$a">urn:taro:utexas.cah.01343</eadid> 
	 <filedesc> 
		<titlestmt> 
		  <titleproper>A Guide to the Frederick Byron Plummer Papers,
			 1914-1946</titleproper> 
		</titlestmt> 
	 </filedesc> 
	 <profiledesc> 
		<creation>Original EAD encoding by Lauren Algee according to TARO 2 EAD
		  2002 Editing Instructions. 
		  <date>November 2009</date></creation> 
		<langusage>Finding aid written in
		  <language>English.</language></langusage> 
	 </profiledesc>
  </eadheader>
  <archdesc type="inventory" level="collection"> 
	 <did> 
		<head>Descriptive Summary</head> 
		<origination label="Creator:"> 
		  <persname encodinganalog="100">Plummer, Frederick Byron</persname>
		  </origination> 
		<unittitle encodinganalog="245" label="Title:">Frederick Byron Plummer
		  Papers</unittitle> 
		<unitdate type="inclusive" encodinganalog="245"
		 label="Dates:">1914-1946</unitdate> 
		<langmaterial label="Language:">Materials are written in
		  <language langcode="eng">English.</language></langmaterial> 
		<unitid label="Accession No.:">69-32; 73-110</unitid> 
		<physdesc label="Extent:" encodinganalog="300$a">2 ft. 7 in.</physdesc> 
		<repository label="Repository:" encodinganalog="852$a"> 
		  <extref href="http://www.cah.utexas.edu" show="new"
			actuate="onrequest"> 
			 <corpname><subarea> Dolph Briscoe Center for American
				History,</subarea>The University of Texas at
				Austin</corpname></extref></repository> 
		<abstract label="Abstract:" encodinganalog="520$a">Frederick Byron
		  Plummer (1885-1947) was a Geologist in the University of Texas Bureau of
		  Economic Geology and Professor of Petroleum Engineering at the
		  institution.</abstract> 
	 </did> 
	 <bioghist encodinganalog="545"> 
	 <!--If an individual, heading should read Biographical Note, for an entity it should read Historical Note.-->
		<head>Biographical Note</head><p>Frederick Byron Plummer (1885-1947) was
		  a Geologist in the University of Texas Bureau of Economic Geology and Professor
		  of Petroleum Engineering at the institution from 1928 until his death at the
		  age of 61. Plummer received his education at Dartmouth College and the
		  University of Chicago. He worked as a consultant for the Dutch Shell Group and
		  lectured at Vassar College before coming to teach at Texas. Plummer was best
		  known for his research on the recovery of salt water in oil wells. Plummer’s
		  wife Helen Jeanne Plummer was a paleontologist and research scientist in the
		  University of Texas Bureau of Economic Geology. She was considered an expert on
		  core samples. Helen died in 1951.</p> 
		<p>Source: Briscoe Center for American History Vertical File: Plummer,
		  Frederick Byron</p> 
	 </bioghist> 
	 <scopecontent encodinganalog="520"> 
		<head>Scope and Contents</head> 
		<p>The papers include Plummer's field notes, reports, academic notes,
		  photographs and negatives and other documents related to his geological
		  research. Specific subjects include surveys of mineral deposits in McCulloch
		  County and ways and means of developing them; a field excursion in the San
		  Saba-Brady region to investigate the geological formations and their
		  classification; the recovery of salt water in oil wells of East and Northeast
		  Texas and disposal of salt water from oil; methods and techniques of drilling
		  for oil; and the modern conception of the geological formation of North
		  Texas.</p><p>Approximately 50 nitrate negatives from the collection are located
		  in offsite storage due to the volatility of the format. </p> 
	 </scopecontent> 
	 <accessrestrict encodinganalog="506"> 
		<head>Access Restrictions</head><p>Unrestricted access.</p> 
	 </accessrestrict> 
	 <userestrict encodinganalog="540"> 
		<head>Use Restrictions</head><p>Negatives from the papers are stored
		  remotely; advance notice is required for their retrieval. Contact repository
		  for more information.</p> 
	 </userestrict> 
	 <controlaccess> 
		<head>Index Terms</head> 
		<controlaccess> 
		  <head>Subjects (Persons)</head> 
		  <persname encodinganalog="600">Plummer, Frederick Byron,
			 1886-1947—Archives.</persname> 
		</controlaccess> 
		<controlaccess> 
		  <head>Subjects (Organizations)</head> 
		  <corpname encodinganalog="610">University of Texas at Austin. Bureau of
			 Economic Geology</corpname> 
		</controlaccess> 
		<controlaccess> 
		  <head>Subjects</head> 
		  <subject encodinganalog="650">Formations (Geology) -- Texas.</subject> 
		  <subject encodinganalog="650">Geological surveys -- Texas.</subject> 
		  <subject encodinganalog="650">Mines and mineral resources.</subject> 
		  <subject encodinganalog="650">Oil field brines.</subject> 
		  <subject encodinganalog="650">Oil well drilling.</subject> 
		  <subject encodinganalog="650">Petroleum engineering</subject> 
		</controlaccess> 
	 </controlaccess> 
	 <prefercite encodinganalog="524"> 
		<head>Preferred Citation</head><p>Frederick Byron Plummer Papers,
		  1914-1946, Dolph Briscoe Center for American History, The University of Texas
		  at Austin.</p> 
	 </prefercite> 
  	<processinfo>
  		<head>Processing Information</head>
  		<p>Basic processing and cataloging of this collection was supported with funds from the National Historical Publications and Records Commission (NHPRC) for the Briscoe Center’s "History Revealed: Bringing Collections to Light" project, 2009-2011.</p>
  	</processinfo>
	 <dsc type="in-depth"> 
		<head>Detailed Description of the Papers</head> 
		<c01 level="series" id="ser1"> 
		  <did> 
			 <unittitle>Inventory:</unittitle> 
		  </did> 
		  <c02> 
			 <did>
				<container type="box">3F343 </container> 
				<unittitle>Field notes: </unittitle> 
			 </did> 
			 <c03> 
				<did>
				  <container type="box">3F343 </container> 
				  <unittitle> 
					 <unitdate>1922-1943</unitdate></unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F344</container> 
				  <unittitle> 
					 <unitdate>1944-1946</unitdate></unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F344</container> 
				  <unittitle> 
					 <unitdate>Undated</unitdate></unittitle> 
				</did> 
			 </c03> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F344</container> 
				<unittitle>Traverse notes and levels, San Saba County, Texas
				  </unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">4M609</container> 
				<unittitle>Geology courses, Geology 52 and 53, Ore Deposits and
				  Metals, 
				  <unitdate>1923-1924</unitdate> </unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3J296 </container> 
				<unittitle>Reports, "Petroleum Production Practice," Parts I and II
				  </unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F345 </container> 
				<unittitle>Reports: </unittitle> 
			 </did> 
			 <c03> 
				<did>
				  <container type="box">3F345 </container> 
				  <unittitle>Report on Ordovician of Upper Mississippi Valley, 
					 <unitdate>1920-1921</unitdate></unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F345 </container> 
				  <unittitle>New Light On Buried Structures of West Texas, 
					 <unitdate>1928</unitdate></unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F345 </container> 
				  <unittitle>Geology of Quitman Valley, 
					 <unitdate>August 21, 1943</unitdate></unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F345 </container> 
				  <unittitle><emph render="italic">General Lines</emph>
					 Specifications For Portland Cement Concrete, And How It Is
					 Manufactured</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F345 </container> 
				  <unittitle>Oil Reservoirs and Salt Domes</unittitle> 
				</did> 
			 </c03> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3T81</container> 
				<unittitle>Photographs and negatives: </unittitle> 
			 </did> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Blanco County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Blowout Cavern</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Hamilton Pool</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Burnet County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls limestone along fault
						escarpment</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of the limestone conglomerate</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Close-up view of Indian Bluff Limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Bluff at Marble Falls Alexander Dam site</unittitle>
					 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Large blocks of sandstone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Nodular algal deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>White’s Crossing fault showing steeply tilted strata
						on the downthrow side of fault</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Section through White’s Crossing fault on Bee
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Map of the Bee Creek district showing geology and
						structure of the Carboniferous formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>[Sandstone formation] Gibbons ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Lentil of fine-grained sandstone in Smithwick
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Block of hard fine grain sandstone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Abandoned general store and old Masonic Hall at Old
						Smithwick</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Smithwick Bluff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Burnet Asphalt</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Specimen of asphalt rock</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Rock formations in Longhorn Cavern</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Travertine formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Travertine deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Sketch map showing Holland Spring Area</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Map of Honey Creek district</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Cross-section through the algal reef on Honey
						Creek</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Caldwell County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Calcareous tufa forming in water disposal
						streambed</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Water flowing over concrete tank showing algae and
						calcareous tufa</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Mad cracks in silt deposit</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Water disposal fountain showing calcareous tufa
						covering the rock</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of rosettes of calcareous tufa covering
						rocks</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Travertine covering rocks</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Contact of the Midway and Navarro formations on new
						Lockhart-Austin road north of Lockhart</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Gillespie County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Crustaceans from Hickory sandstone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Lange Mill grotto northeast of Doss</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Calcareous tufa forming in moss-like
						rosettes</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Glen Rose limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Conglomerate beds beneath the Chappel crinoidal
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Ledges of boulder conglomerate</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls limestone along bluffs of Saline
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls limestone along bluffs of Llano
						River</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Chaetites bed in Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of a single large boulder</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Ledges of boulder conglomerate along bluff of Rocky
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Mabry Springs on Slater Ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Upper ledges of Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Section of carboniferous formations showing
						sub-divisions</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Four miles west of Lampasas on Espey Creek contact
						with Ellenburger</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Pillar Bluff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Wilsonoceras</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Large boulder of Ellenburger Limestone deposited by
						floodwaters</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Tripoli pit on the Wheeler ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Tripoli pit, close up outcrop</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Kimble County</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Lampasas County</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Llano County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Map of Llano uplift region showing areas of
						Carboniferous formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Diagrammatic section across a sink developed in
						Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Generalized section of Carboniferous
						formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Lower or main Barnett Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>The uppermost spring on Barnett Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>View of travertine limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Llano Field Trip Geology Party</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Geologic section of Paleozoic and Cretaceous
						formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Cascade-Wilburn’s Glen</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>McCulloch County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Goniatite bed</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Mississippian-Pennsylvanian Permian</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Gonetidae from the Pennsylvanian and Permian Strata
						of North-Central Texas</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Sponges of North-Central Texas</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Single nodule deposit at base of Marble Falls
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Falls Creek above the falls showing pool and
						calcareous tufa forming on limestone ledges</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Peculiar erosion features of water flowing over
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>View of waterfalls at Hamilton Pool</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Overhanging resistant limestone ledge at Marble
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>View of the Waterfalls at the mouth of Falls
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Close up view of the brink of the falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Falls in Pedernales River</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls formation on Little Brady
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls formation exposed in small
						branch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls limestone exposed along head of small
						valley</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Llano granite on highway between Brady and
						Mason</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Section of rocks exposed on north side of small
						creek valley</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Conglomerate, Rochelle near Onion Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Rochelle conglomerate along the roadside</unittitle>
					 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of Rochelle conglomerate in valley near
						Williams ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Basal conglomerate in stream valley near Williams
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Basal conglomerate overlying Bend in Valley of Onion
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Chappel limestone on branch of Brady
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Chappel limestone lying horizontal</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Close-up view of the nodular fossiliferous limestone
						of Barnett formation in gravel pit</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Contact of Marble Falls and Barnett
						formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Thin bedded flaggy member of the Marble Falls
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of flaggy shale member of Marble Falls
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls formation exposed in small
						Branch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Marble Falls formation on Little Brady
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Map of Davis School District showing geological
						structure of the Carboniferous formations</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Nodular algal deposit at base of Marble Falls
						formation</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T81</container> 
				  <unittitle>Mason County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Oolite at White Ranch west of Mill Creek
						Road</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Typical Crionid Coquina</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Bat Cave grotto on the J. A. Eckert
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Outcrop of Massive Chappel limestone of
						Mississippian age</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Ledge of Chappel Limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Barnett Shale exposed near head of small branch of
						Honey Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Typical slab of crinoidal limestone from the Chappel
						Formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Near view of the conglomerate beds beneath the
						Chappel crinoidal limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Crinoidal limestone bed in Chappel
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Smithwick shale overlain by terrace
						gravel</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Generalized columnar section of Mason
						County</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Chappel formation overlying Ellenburger
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Conglomerate in Ellenburger</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Outcrop of Barnett formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Basal Chappel (Mississippian) limestone
						beds</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Algaeal reef in Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>White’s Crossing on Llano River</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Algaeal reef in Honey Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Algaeal reef in Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Conglomerate on south side of Algaeal reef in
						Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T81</container> 
					 <unittitle>Fault on Llano River at White’s Crossing</unittitle>
					 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T82</container> 
				  <unittitle>Milam County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Mr. Atkinson on Milam County peat bog</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Peat drying on surface of Milam County peat
						bog</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Indian artifact found in peat</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cut through peat showing peat profile and location
						of Indian artifact</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T82</container> 
				  <unittitle>San Saba County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Smithwick shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marble falls formation of small branch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Slab of fossiliferous limestone from Smithwick
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>A Chaetites colony in lower limestone of the
						Smithwick formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Close-up view of steeply tilted Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Steeply tilted Marble Falls limestone in contact
						with Barnett shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine deposits along Barnett Springs
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Water flowing over Travertine deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Out crop of Barnett shale exposed along
						highway</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Spring arising from joint in Ellenburger
						dolomite</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine deposits on Barnett Springs
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Barnett shale with included concretionary limestone
						bed</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Falls on Cherokee Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Bluff formed of chalcedony deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Upper falls and Thalcedony deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>The upper chalcedony layer formed at the upper
						falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Chalcedony deposits formed on the surface of
						Chalcedony Cliff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine forming on the side of a chalcedony
						cliff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Simpson Creek during flood stage</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Pioneer home</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Reservoir on Holdman’s ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Artesian Well on the W. N. Neely ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine deposits at Barnett Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Rattle snake resting quietly in a dry creek
						bed</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>McNalley Spring of Kirkpatrick Ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Brister Springs at Brister Ranch of Rough
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Concretion containing large nautaloid from Barnett
						Shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Sciadiocrinus from the archiocadaris
						zone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Chappel conglomerate on Julian Mullican
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cryptozooan structure in Ellenburger
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Algal like structure in upper massive ledge of
						Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Unconformity between the Marble Falls limestone and
						the lower Smithwick limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Bluff of Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Nearly complete section of Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>The lower chert bearing beds of Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Steeply dipping Marble Falls limestone at
						fault</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cliff of Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Vertical ledges of Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>McNalley Spring flowing out of joint fracture in
						Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine bluff at Wilberna Glen</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Quarry in Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Close-up view of the algal markings in the mottled
						limestone bed</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Richland Springs Cavern</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Falls on Barnett Creek, Dalton Ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Part of the herd of cattle on the Ben Lively
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Outcrop of massive Chappel limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Smithwick shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Barnett shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Lower or main Barnett Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Uppermost Spring on Barnett Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cryptozooan like structure in travertine</unittitle>
					 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Pillar Bluff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Espey Creek four miles west of Lampasas Contact with
						Ellenburger</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Chappel on Julian Millican ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Pennsylvanian on Mr. Kelly’s farm</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Conglomerate in the bluff north of King Spring
						</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Smithwick – Pennsylvanian</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Asphalt</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Branch north of Barnett Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marble Falls, Pennsylvanian</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Neoglyphioceras caneyanum on Homan Ranch</unittitle>
					 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Contact of Barnett shale and Marble Falls
						formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>From China Creek west of China Knob</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Tracks on slab in Smithwick flagstone from China
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Outcrop of Barnett shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Close-up of contact of Barnett Shale and Marble
						Falls formation</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marble Falls formation on San Saba-Chappel
						road</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marble Falls formation East side of Cherokee
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Lower member of Marble Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Basal Marble Falls limestone cliff</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Wallace Spring bend of Wallace Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Tilted ledge of Marble Falls limestone in small
						branch of Creek on Harkey ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Monument at Walnut Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>View of Gorman Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Ellenburger limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Close-up view of Wallace Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Lower chert member of Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Shale layer containing crinoids in lower Marble
						Falls limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Kitchen midden on the W bank of Cherokee
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Small reservoir</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>McNalley homestead on Site of McNalley
						Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Structure on Harkey ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Distant view of Gorman Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Upper Cascade at Gorman Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>View of Gorman Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Pool between cascades and lower Cascade at Gorman
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Miles Harris 2nd Spring on Cherokee
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Gorman Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cottonwood Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine dam on creek below Cottonwood
						Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cascade over travertine Cliff on Rough
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Sketch map showing Geology of Barnett Spring
						Area</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Sketch mat showing Geology of Gorman Spring
						Area</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Map of Llano uplift in Central Texas</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Waterfalls in the Creek below Barnett
						Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Another view of upper cascade at Gorman
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine deposits below cliff at Gorman
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Near view of some of the spray deposits</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine and Stalactite deposits at Gorman
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>View of top of upper Cascade at Gorman
						Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Creek Valley above Blue Pool</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Falls on Pool branch at Blue pool</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine on Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Barnett Falls</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Road crossing on Simpson Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cottonwood Spring on McCoury Ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Mile Harris Spring on Cherokee Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Spring at Richland Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Gorman Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Massive limestone outcrops</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Pool at Pool Ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Monument commemorating Indian Battle</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marble Falls on East side of Cherokee
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Sheep around old homestead at head of Pool
						Branch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Walnut Springs</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>San Saba Spring</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Waterfalls on Rough Creek produced by deposits of
						travertine</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Marriage Oak, San Saba, County, Texas</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Travertine deposits on Rough Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Blue-green algae in creek on Wm. Keeney
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Lower travertine falls on a spring
						branch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Chappel Chert conglomerate on the Dofflemyer
						ranch</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Cryptozooan like structure in Travertine</unittitle>
					 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Small anticline in a bluff of Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Smithwick outcrop along the W bank of Colorado
						River</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T82</container> 
					 <unittitle>Slabs of Siltstone showing trails and marking of
						mollusks</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Travis County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Hamilton Pool</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Water Falls at Hamilton Pool</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Uvalde County:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Asphalt from Uvalde County</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Asphalt P-1546</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Asphalt rock, Uvalde quarries</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Asphalt. Upper cretaceous. Plant quarry, Anachicio
						Limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Uvalde County asphalt from main quarry at
						bottom</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Plant Quarry (Anacachio limestone)</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Asphalt from Plant Quarry</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Boone County, Kentucky:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle><emph render="italic"> Cincinnatian
						Formation</emph>, Ordovician</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Correlation Chart—Principal countries of
					 world</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Correlation Chart—Glass Mountains, North Central
					 Texas</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Diagrammatic section across the Capital reef to show
					 relation of the reef to related facies</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Evolution of the horse</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>R. H. King’s fossils:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Sections of Bend, Strawn, and Canyon groups showing
						fossil zones</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Sections of Double Mt, Clear Fork, and Wichita
						groups showing fossil zones</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Idealized stratigraphic section showing the relation
					 of the Phosphoria Formation in Wyoming</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Map of Mexia, Powell Area, Midway outcrop, Limestone
					 County</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Map of Midway outcrop, Kaufman - Hunt
					 counties</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Map of Wilcox outcrop, Central Texas</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Petroleum Engineering:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Denoi tensionometer for measuring surface
						tensions</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Oil Sand cores showing effect of capillary action on
						water-oil contact</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Plates and slides:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Choyelids</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle><emph render="italic">Pachylocrinus uddeni</emph>
						Moore and Plummer</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle><emph render="italic">Smithwick
						Ammonites</emph></unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Barnett Fauna</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Chappel Fauna</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Marble Falls Fauna</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Plummer collection</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle> Pew Disposal System showing Skimming Pit</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Ramey Water Disposal System, East Texas Oil
					 Field</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Suman Salt Water Disposal System, East Texas Oil
					 Field</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Section of Cisco, Canyon and Strawn Formation showing
					 ammonite zones</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Shale and Limestone, Fayettevill, Arkansas</unittitle>
				  
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Shales:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Smithwick shale in contact with Marble Falls
						limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Smithwick shale on the south bank of the Colorado
						River</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Barnett Shale</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Barnett Shale exposed at pit</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Cross-section of a nodule of limestone</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Barnett Shale exposed along Pillar Bluff
						Creek</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Cryptazoon proliferum</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Structure of the Carboniferous Formation:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Map of Saline Cree District</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Generalized section of Carboniferous and Permian
						strata</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Sections of Carboniferous rocks in the Llano
						uplift</unittitle> 
				  </did> 
				</c04> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Generalized section of the Carboniferous rocks in
						the Llano mountains</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3T83</container> 
				  <unittitle>Water Disposal Fountain showing calcareous tufa
					 covering rock:</unittitle> 
				</did> 
				<c04> 
				  <did>
					 <container type="box">3T83</container> 
					 <unittitle>Close up view of tufa showing characteristic algae
						markings on tufa</unittitle> 
				  </did> 
				</c04> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F347</container> 
				  <unittitle> B. F. Shumard's letter and signature</unittitle> 
				</did> 
			 </c03> 
			 <c03> 
				<did>
				  <container type="box">3F347</container> 
				  <unittitle>Unidentified</unittitle> 
				</did> 
			 </c03> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F347</container> 
				<unittitle>Bibliography</unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F347</container> 
				<unittitle>Printed material, 
				  <unitdate>1914-1915, undated</unitdate> </unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F347</container> 
				<unittitle>Charts and graphs, Marble Falls, Texas</unittitle> 
			 </did> 
		  </c02> 
		  <c02> 
			 <did>
				<container type="box">3F347</container> 
				<unittitle>Miscellany</unittitle> 
			 </did> 
		  </c02> 
		</c01></dsc>
  </archdesc>
</ead>
