62 STAT.] 80TH CONG. , 2D SESS.-CH. 754-JUNE 29, 1948 reservoir; to acquire by proceedings in eminent domain, or otherwise, all lands, rights-of-way, and other property necessary for such pur- poses; and for incidental operations, as authorized by the Boulder Canyon Project Act, approved December 21, 1928 (43 U. S . C ., ch. 12A), $1,700,000, 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, main canal (and appurtenant struc- tures) located entirely within the United States connecting the diver- sion dam with the Imperial and Coachella Valleys in California, and distribution and drainage systems; to acquire by proceedings in emi- nent domain, or otherwise, all lands, rights-of-way, and other property necessary for such purposes; and for incidental operations as author- ized 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, $4,000,000: 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 inci- dental operations, and shall be available for payment of the cost of such operations. COLORADO BIVER FRONT WORK AND LEVEE SYSTEM For operating and maintaining the Colorado River front work and levee system in Arizona, Nevada, and California; constructing, improving, extending, operating, and maintaining protection and drainage works and systems along the Colorado River; controlling said river and improving, modifying, straightening, and rectifying the channel thereof; and conducting investigations and studies in connection therewith; as authorized by Public Law 469, approved June 28, 1946; $1,050,000, to remain available until expended: Pro- vided, That not to exceed $25,000 of the foregoing appropriation shall be available for maintenance work on the temporary weir in the Colorado River below the heading of the diversion canal for the Palo Verde Irrigation District of California. ALASKAN INVESTIGATIONS For engineering and economic investigations, as a basis for legis- lation, and for reports thereon, relating to projects for the develop- ment and utilization of the water power resources of Alaska, $150,000, which shall be available for, but not restricted to, services as authorized by section 15 of the Act of August 2, 1946 (5 U. S. C. 55a), and rations and quarters for field parties while away from inhabited communities in which such facilities are available. No part of any appropriation for the Bureau of Reclamation, con- tained in this or any prior Act, which represents amounts earned under the terms of a contract but remaining unpaid, shall be obligated for any other purpose, regardless of when such amounts are to be paid: Provided, That the incurring of any obligation prohibited by this paragraph shall be deemed a violation of section 665 of title 31 of the United States Code. Not exceeding 8 per centum of the construction appropriation for any project under the Bureau of Reclamation contained in this Act shall be available for construction work by force account, or on a hired labor basis, except for projects or items the estimated construction cost of which does not exceed $200,000, and only then in cases where the Bureau of Reclamation finds the lowest bids to be excessive. 1131 45 Stat. 1057. 43U.8.C.§§617- 617t; Supp. I, § 617 note. 45 Stat. 1057 . 43 U. . C. §§617- 617t; Supp. I, § 617 note. Amounts received from Mexico. 60 Stat. 338. 60 Stat. 810. Restriction on cer- tain obligations. Construction work by force account, etc.
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