PUBLIC LAWS-CH. 680 -OCT. 12 , 1949 45 Stat. 1057. 43 U. S. C. J§617- 617t; Supp. II, § 617 note. Amounts received from Mexico. 45 Stat. 1057. 43U.S.C.t§617- 617t; Supp. II, § 617 note. but not more than 10 per centum shall be added to the amount appro- priated for any one of said projects, except that should existing works or the water supply for lands under cultivation be endangered by floods or other unusual conditions, an amount sufficient to make neces- sary emergency repairs shall become available for expenditure by further transfer of appropriation from any of said projects upon approval of the Secretary. GENERAL FUND, ALASKAN INVESTIGATIONS For engineering and economic investigations, as a basis for legis- lation, and for reports thereon to Congress, relating to projects for the development and utilization of the water resources of Alaska, to remain available until expended, $200,000, which shall be available among other purposes for rations and quarters for field parties while away from inhabited communities in which such facilities are available. GENERAL FUND, CONSTRUCTION For continuation of construction of the following projects in not to exceed the following amounts to be immediately available, to remain available until expended for carrying out projects (including the construction of transmission lines) previously or herein authorized by Congress, and to be reimbursable (except as otherwise provided by law) under the reclamation law: Gila project, Arizona, $4,600,000; Davis Dam project, Arizona-Nevada, $36,504,860; Parker Dam power project, Arizona-California, $110,290; Advances to Colorado River dam fund, Boulder Canyon project (All-American Canal): For continuation of construction of a diver- sion dam, main canal (and appurtenant structures) located entirely within the United States connecting the diversion dam with the Imperial and Coachella Valleys in California, and distribution and drainage systems; 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); to be immediately available, and to remain available until advanced to the Colorado River dam fund, $5,100,000, and in addition thereto the Commissioner of Reclamation is authorized to enter into contracts in an amount not in excess of $975,700: Provided, That amounts heretofore or hereafter received from the Republic of Mexico for temporary water service by means of such works shall be applied against construction costs, including incidental operations, and shall be available for payment of the cost of such operations; Advances to Colorado River Dam fund, Boulder Canyon project: For continuation of construction of the Hoover 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), $6,400,000, to be immediately available and to remain available until advanced to the Colorado River dam fund; Central Valley Project, California, $60,789,890, of which not to exceed $100,000 is for the making of examinations and surveys of power facilities, not to exceed $2,000,000 is for the construction of the Shasta- 782 [63 STAT.
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