SIXTY-FIFTH CONGRESS. Sess. I. Ch. 27. 1917. 145 geological conditions favorable to the presence of deposits of potash P°*=*$hS¤l*¤·_ salts, $40,000; _ ` For preparation of the illustrations of the Geological Survey, m“St'°“°‘“‘ $18,280; , For preparation of the report of the mineral resources of the United p§{{“°"’l “’S°“’°°s "' States, $75,000; ~ For gauging streams and determining the water suppgy of the “'**°°'S“PPlY· United States, the investigation of underground currents an artesian ’ wells, and the preparation of reports upon the best methods of utilizing the water resources, $175,000, of which $25,000 ma be used to test B°’i¤¤ '"HS- the existence of artesian and other undergroundir water supplies suiitlzgble for irrigation in the arid and semiarid regions by boring W6 S . For purchase of necessary books for thelibrary, including directories L“’”“Y· and professional and scientific periodicals needed for statistical ep oses, $2,000; `lligr discovering, developing, protecting, and rendering more ,,,,Y,§"f,§$,f,§°l°Si °*°·i °" accessible springs, streams, and water holes on arid public lands of the v¤1. 39,p. ses. United States; for erecting and maintaining suitable and durable monuments and signboards; and for providing convenient and ready means, apparatus, and appliances by which water may be brought to the earth’s surface, $10,000; ‘ For engraving and {printing geologic maps, $120,000; Maw- For continuation 0 topographic surveys of the apublic lands that ve1;,’;**°”°**°*°S*¤ Sup have been or may hereafter be esignated as nation forests, $75,0%; For the examination and classification of lands requisite to the determination of their suitability for enlarged homesteads, stock- ew. raising homesteads, public watering places, and stock driveways, as required by the public land laws, to be immediately available, $150 000; In’al1, United States Geological Survey, $1,550,520. BUREAU or Mums. B¤’°¤¤°‘m¤°¤· For general ex enses, includin a of the director and necess G°¤°’°*°XP°¤¤°¤· assistants, clerksFand other emplogegs, in the office at Washingtbii: iii>l1iri•?i';itiiw. District of Columbia, and in the Held, and every other expense requisite for and incident to the general work of the bureau in Washington, District of Columbia, and in the Held, to be expended under the direction of the Secretary of the Interior, $73,300; _ _ For investigation as to the causes of mine explosions, methods of ,,,,§§§§§f},§‘jf,‘§ “““° mining, especially in relation to the safety of miners, the appliances best adapted to prevent accidents, the possible improvement of conditions under which mining operations are carried on, the use of explosives and electricity, the prevention of accidents, and other in uiries and technologic investigations pertinent to the mining industry, and including all equipment, supplies, and expenses of travel and subsistence, $353,800; For investigation of mineral fuels and unfinished mineral products ,,,;°S““g“**“°’“1‘“°l’· belonging to or for the use of the United States, with a view to their most efficient mining, preparation, treatment, and use, and to recom- E¢<>¤¤¤}i¤ use in <i<>· mend to various departments such changes in selection and use of pmm°°t°' fuel as may result in greater economy, and including all equipment, supplies, and expenses of travel and subsistence, $135,000; _ or inquiries and scientific and technologic investigations con- c0§,‘}§§§‘,,§*‘g§°°,;’,',,;‘_§‘,;f cerninti the mining, pgeparation, treatment, and utilization of ores ew-
o er mineral su tances, with a view to improvi health conditions and increasing safet , efficiency, economic devlelopment, and
conserving resources the prevention of wastein the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries; and including 112460°-—von 40—·r·r 1---10
