PUBLIC LAWS-CH. 529-JULY 1, 1946 58 Stat. 891. 45 Stat. 1057. 43U.S. C. 5§617- 617t. Ante, p. 36. Spra. MISSOURI RIVER BASIN Missouri River Basin (reimbursable): For the partial accomplish- ment of the works to be undertaken by the Secretary of the Interior, pursuant to section 9 of the Act of December 22, 1944 (Public Law 534), $17,500,000, to remain available until expended for carrying out the initial stages (including the construction of transmission lines) and for continuing investigations on the general plan of development: Provided, That this appropriation shall be expended, either independently or through or in cooperation with existing Federal and State agencies. COLORADO RIVER DAM FUND Boulder Canyon project: For operation, maintenance, and replace- ments of the dam, power plant, and other facilities, of the Boulder Canyon project, and payment to the Boulder City School District as reimbursement for instruction during the 1946-1947 school year in the schools operated by said district of each pupil who is a dependent of any employee of the United States, living in or in the immediate vicinity of Boulder City, in the sum of $45 per semester per pupil in average daily attendance at said schools, payable after the term of instruction in any semester has been completed, under regulations to be prescribed by the Secretary, $1,251,530, payable from the Colorado River dam fund. ADVANCES TO COLORADO RIVER DAM FUCND Boulder Canyon project: For the continuation of construction of the Boulder Dam and incidental works in the main stream of the Colorado River at Black Canyon, to create a storage reservoir, and of a complete plant and incidental structures suitable for the fullest economic development of electrical energy from the water discharged from such reservoir; to acquire by proceedings in eminent domain, or otherwise, all lands, rights-of-way, and other property necessary for such purposes; and for incidental operations, as authorized by the Boulder Canyon Project Act, approved December 21, 1928 (43 U. S . C ., ch. 12A), $433,605, to be immediately available and to remain available until advanced to the Colorado River dam fund. Boulder Canyon project (All-American Canal): For continuation of construction of a diversion dam, and main canal (and appurtenant structures including distribution and drainage systems) located entirely within the United States connecting the diversion dam with the Imperial and Coachella Valleys in California; to acquire by pro- ceedings in eminent domain, or otherwise, all lands, rights-of-way, and other property necessary for such purposes; and for incidental operations as authorized by the Boulder Canyon Project Act, approved December 21, 1928 (43 U. S . C., ch. 12A); for land level- ing, construction of farm ditches on units of public lands, production of soil-building crops, and other necessary expenses in the prepara- tion of raw public lands for irrigation farming, any such expendi- tures to be charged into the construction costs to be repayable by the lands benefited, and any sums received from the sale of crops or otherwise as a result of these operations to be credited to such con- struction costs, to be immediately available, and to remain available until advanced to the Colorado River dam fund, $5,000,000. COLORADO RIVER DEVELOPMENT FEND Colorado River development fund (expenditure account): For investigations of projects for the utilization of waters of the Colorado [60 STAT.
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