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WATER-SUPPLY AND IRRIGATION PAPERS. 1. Pumping water for irrigation, by Herbert M. Wilson, 1896. 2. Irrigation near Phoenix, Arizona, by Arthur P. Davis, 1897. 3. Sewage irrigation, by George W. Rafter, 1897. 4. A reconnoissance in southeastern Washington, by Israel C. Russell, 1897. 5. Irrigation practice on the Great Plains, by E. B. Cowgill, 1897. 6. Underground waters of southwestern Kansas, by Erasmus Haworth, 1897. 7. Seepage waters of northern Utah, by Samuel Fortier, 1897. 8. Windmills for irrigation, by E. C. Murphy, 1897. 9. Irrigation near Greeley, Colorado, by David Boyd, 1897. 10. Irrigation in Mesilla Valley, New Mexico, by F. 0. Barker, 1898. 11. River heights for 1896, by Arthur P. Davis, 1897. 12. Water resources of southeastern Nebraska, by Nelson Horatio Darton, 1898. 13. Irrigation systems in Texas by W. F. Hutson, 1898. 15. Operations at river stations, 1897, Part I, 1898. 16. Operations at river stations, 1897, Part 11, 1898. In press: 14. New tests of certain pumps and water lifts used in irrigation, by O. P. Hood, 1898. In addition to the above, there are in various stages of preparation other papers relating to the measurement of streams, the storage of water, the amount available from underground sources, the efficiency of windmills, the cost of pumping, and other details relating to the methods of utilizing the water resources of the coun try. Provision has been made for printing these by the following clause in the sundry civil act making appropriations for the year 1896-97: Provided, That hereafter the reports of the Geological Survey in relation to the gauging of streams and to the methods of utilizing the water resources may be printed in octavo form, not to exceed 100 pages in length and 5,000 copies in num ber; 1,000 copies of which shall be for the official use of the Geological Survey, 1,500 copies shall be delivered to the Senate, and 2,500 copies shall be delivered to the Houseof Representatives, for distribution. [Approved June 11,1896; Stat. L., vol. 29, p. 453.] The maximum number of copies available for the use of the Geological Survey is 1,000. This quantity falls far short of the demand, so that it is impossible to supply all requests. Attempts are made to send these pamphlets to persons who have rendered assistance in their preparation through replies to schedules, or who have furnished data. Requests made for a certain paper and stating a reason for asking for it are granted whenever practicable, but it is impossible to comply with general demands, such as to have all of the series sent indiscriminately. Application for these papers should be made either to Members of Congress or to The Director, United States Geological Survey, Washington, D. C.
