PUBLIC LAWS--CH S. 516, 517-JUNE 28, 1946 Authority of Secre- tary of the Interior. June 28, 1946 [H. R. 6674] [Public Law 469] Yuma project and Boulder Dam. Protection work be- tween. Colorado River, controlling of floods, etc. Appropriation au- thorized. Post, pp. 369, 619. Condition. Rights-of-way, maintenance of works, etc. Reimbursements. 43U.S.C.if617- 617t. Ante, p. 36 . Authority of Secre- tary of the Interior. exceeding $60,300 pursuant to the findings of the report of conditions on the Crow Indian irrigation project herein referred to, which entries shall be made upon approval of this Act. SEO. 15. The Secretary of the Interior is authorized to prescribe regulations and to perform all acts required for the effectuation of the purposes of this Act. SEC. 16. All provisions of Acts inconsistent with this Act are hereby superseded to the extent of such inconsistency. Approved June 28, 1946. [CHAPTER 517] AN ACT To amend the laws authorizing the performance of necessary protection work between the Yuma project and Boulder Dam by the Bureau of Reclamation. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the provision of the Act entitled "An Act authorizing the construction, repair, and preservation of certain public works on rivers and harbors, and for other purposes", approved January 21, 1927 (44 Stat. 1010, 1021), amended by the Act entitled "An Act to authorize defraying cost of necessary work between the Yuma project and Boulder Dam", approved July 1, 1940 (54 Stat. 708), is hereby further amended to read as follows: "That for the purpose of controlling the floods, improving naviga- tion, and regulating the flow of the Colorado River, there is hereby authorized to be appropriated, out of any moneys in the Treasury of the United States not otherwise appropriated, for the fiscal year ending June 30, 1928, and annually thereafter, such sums as may be necessary, to be spent by the Bureau of Reclamation under the direc- tion of the Secretary of the Interior, to defray the cost of (a) oper- ating and maintaining the Colorado River front work and levee system in Arizona, Nevada, and California; (b) constructing, improv- ing, extending, operating, and maintaining protection and drainage works and systems along the Colorado River; (c) controlling said river, and improving, modifying, straightening, and rectifying the channel thereof; and (d) conducting investigations and studies in connection therewith: Provided,That the expenditure of moneys for any of the foregoing purposes shall not be deemed a recognition of any obliga- tion or liability whatsoever on the part of the United States: Provided further, That, within the discretion of the Secretary of the Interior, local communities to be benefited by works constructed pursuant to this Act may be required to provide, without cost to the United States, necessary rights-of-way and maintenance of the completed works and assurance, satisfactory to him, of payment of valid claims arising out of damage caused to persons or property by reason of the con- struction, operation, or maintenance of any such works: Provided further, That any moneys received by the United States as reimburse- ment in accordance with contracts heretofore entered into under the authority of the Act of December 21, 1928 (45 Stat. 1057), as amended, and ratified by the Act of August 30, 1935 (49 Stat. 1028, 1039), for expenditures made under the authority of this paragraph, shall be covered into the Treasury as miscellaneous receipts. In connection with operations conducted under this paragraph, the Secretary of the Interior shall have the same authority with respect to (a) the acquisition, exchange and disposition of lands, interests in lands, water rights and other property, and the relocation thereof; (b) the utilization of lands owned or acquired by the United States; (c) construction and supply contracts; (d) the performance of necessary 338 [60 STAT.
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