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Show 343 directly pertinent to water-resource programs. To enable col- lection of data, Congress has legislated extensively. In the first place, in discussing the operations of the Army Engineers and the Bureau of Reclamation, we noted in some detail legislative provisions whereby each makes its own in- vestigations and surveys in the preparation of projects.132 Sim- ilarly, we referred to the broad investigative authority con- ferred upon the Federal Power Commission for the collection of data valuable in both federal and nonfederal development. In addition, Congress has made provision for collection of data by a number of other agencies. Geological Survey.-Created by Congress in 1879, the Geological Survey was assigned responsibility for the "classi- fication of public lands and examination of the Geological Structure, mineral resources, and products of the national domain."133 Under an 1888 act, funds were appropriated for an investigation by the Survey of the arid regions of the United States for "the selection of sites for reservoirs and other hydraulic works necessary for the storage and utilization of water for irrigation and the prevention of floods and over- flows." la4 In an 1894 statute, Congress made funds available to it for "gauging the streams and determining the water supply of the United States, including the investigation of under- ground currents and artesian wells in arid and semiarid sec- tions." 135 Subsequent appropriation acts made provisions for the gauging of streams, determining of water supply of the United States, and publishing of reports.136 A 1942 statute authorizes the Secretary of the Interior to acquire lands or interests therein for use by the Geological Survey in gauging streams.137 Classification of public-domain lands as sites valuable for power purposes is a function of the Geological Survey under m See supra, pp. 91-95,134-135, 187-192. "¦ Act of March 3,1879, § 1,20 Stat. 377,394,43 U. S. 0. 31. 134 Act of October 2, 1888, 25 Stat. 505, 526, as amended, 43 U. S. C. 662. 188 Act of August 18,1894, 28 Stat. 372, 398. "•Act of June 11, 1896, 29 Stat. 413, 436; Act of May 16, 1902, 32 Stat. 741, as amended, 44 U. S. C. 260. 181 Act of December 24,1942,56 Stat. 1086,43 U. S. C. 36b. |