54 STAT.] 76TH CONG., 3D SESS.-CHS. 643 , 644 -JULY 19, 1940 from June 1, 1937, to May 31, 1987, inclusive, but shall not include (except where used in conjunction with the word "emergency" or the words "however necessitated") replacements made necessary by any act of God, or of the public enemy, or by any major catastrophe; and "Year of operation" shall mean the period from and including June 1 of any calendar year to and including May 31 of the following calendar year. SEC. 13. The Secretary of the Interior shall, in January of each year, submit to the Congress a financial statement and a complete report of operations under this Act during the preceding year of operation as herein defined. SEC. 14. Nothing herein shall be construed as interfering with such rights as the States now have either to the waters within their borders or to adopt such policies and enact such laws as they may deem necessary with respect to the appropriation, control, and use of waters within their borders, except as modified by the Colorado River compact or other interstate agreement. Neither the promulga- tion of charges, or the basis of charges, nor anything contained in this Act, or done thereunder, shall in anywise affect, limit, or preju- dice any right of any State in or to the waters of the Colorado River system under the Colorado River compact. Sections 13 (b), 13 (c), and 13 (d) of the Project Act and all other provisions of said Project Act not inconsistent with the terms of this Act shall remain in full force and effect. SEC. 15. All laborers and mechanics employed in the construction of any part of the project, or in the operation, maintenance, or replacement of any part of the Boulder Dam, shall be paid not less than the prevailing rate of wages or compensation for work of a similar nature prevailing in the locality of the project. In the event any dispute arises as to what are the prevailing rates, the determination thereof shall be made by the Secretary of the Interior, and his decision, subject to the concurrence of the Secretary of Labor, shall be final. SEC. 16. This Act may be cited as "Boulder Canyon Project Adjustment Act". Approved, July 19, 1940. [CHAPTER 644] 779 "Year of operation." Report, etc., to Con- gress. Noninterference with designated State rights, etc. 45 Stat. 1064. 43U..C.§6171 (b), (c), (d). wage rates for labor- ers, etc. Short title. AN ACT ,1 -" . Jtly 19. 1940 To establish the composition of the United States Navy, to authorize the con- I I.t .i 1011o struction of certain naval vessels, and for other purposes. [Iublic, No. 7571 Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the author- ized composition of the United States Navy in under-age vessels as established by the Acts of May 17, 1938 (52 Stat. 401), and June 14, 1940, Public Law Numbered 629, Seventy-sixth Congress, is hereby further increased by one million three hundred and twenty- five thousand tons, as follows: (a) Capital ships, three hundred and eighty-five thousand tons; (b) Aircraft carriers, two hundred thousand tons; (c) Cruisers, four hundred and twenty thousand tons; d) Destroyers, two hundred and fifty thousand tons; (e) Submarines, seventy thousand tons: Provided, That each of the foregoing increases in tonnages for capital ships, aircraft car- riers, cruisers, destroyers, and submarines may be varied upward Navy. Under-age vessels. 34U. S.C., Supp.V, g§498-498k. Ante, p. 394. Praoiso. Variance of tonnage.