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Show 573 the Boulder Canyon Project Act prescribes a fixed priority of uses for the dam and reservoir, as previously pointed out.425 But differing statements of purpose appear in connection with other authorized dams along the lower Colorado.426 In any evaluation of the need for and type of statutory basis which will permit effective resolution of conflicts among uses, it must be remembered that the reward for coordination is great. For the operation of a system of water-resource projects is a dramatic illustration of the manner in which the whole may ex- ceed the aggregate of its component parts. By hydraulic and 425 See supra, p. 547. 426 Imperial: Act of December 21, 1928, § 1, 45 Stat. 1057, 43 U. S. 0. 617, authorized the construction, operation, and maintenance of a "suitable diver- sion dam" for use in connection with a main canal entirely within the United States. The All-American Canal Contract of December 1,1932, between the United States and the Imperial Irrigation District, made pursuant to the Act, provided for the construction by the United States of a "suitable diversion dam" and main canal, therein styled Imperial Dam and AU-American Canal. Hooveb Dam Power and Water Contracts and Related Data, Department of the Interior, p. 65 (1950). Parker: Act of August 30, 1935, § 2, 49 Stat. 1028, 1039, authorized the construction "for the purpose of controlling floods, improving navigation, regulating the flow of the streams of the United States, providing for storage and for the delivery of the stored waters thereof, for the reclamation of public lands and Indian reservations, and other beneficial uses, and for the generation of electric energy as a means of financially aiding and assisting" such undertakings. See also supra, n. 33, p. 323. Davis (originally Bullshead Dam) : "Through regulation of the flow of the main stream of the Colorado River below Boulder Dam it will contribute to flood reduction, navigation improvement, irrigation and domestic water supplies, power development, silt-pollution reduction, recreation, and wild waterfowl protection, as well as other related conservation purposes. * * * When an international agreement regarding the division of the waters of the Colorado River between the United States and Mexico is completed, the accu- rate control which will be provided by Bullshead Dam will be essential to meter out the water to be passed downstream." Project report of the Com- missioner of Reclamation accompanying feasibility finding, April 26, 1941, from the Secretary of the Interior to the Speaker of the House of Representa- tives, Bureau of Reclamation Project Feasibilities and Authorizations, Department of the Interior, pp. 157-158 (1949). See also the Mexican Water Treaty, effective November 8, 1945, Treaty Series 994, 59 Stat. 1219; Sen. Res. of April 18,1945, 59 Stat. 1263. |