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SEVENTY-FIRST CONGRESS . SEss. III . CHs . 315-317 . 1931.- February 27, 1931 . [H. R. 10017.] [Public, No . 740.] Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of War is hereby authorized and directed to cause a survey to be made of the Mouse River, North Dakota, with a view to preparing plans and estimates of the cost of such work as may be necessary for the pr eventi on and contr ol of its flo ods, i n acco rdance with the provisions of section 3 of an Act entitled "An Act to provide for the control of the floods of the Mississippi River and of the Sacra- mento River, California, and for other purposes," approved March 1, Appropriation au- 1917, and the recommendations of the Chief of Engineers, United thorized .
States Army, contained in House Document Numbered 282, Seventy- first Congress, second session, and the sum of $15,000 is hereby authorized to be appropriated for this purpose . Approved, February 27, 1931 . Mouse River, N . Dak. Survey of, author- ized. Vol.39,p.950. February 27, 1931 .
[H. R . 12284 .]
CHAP. 318.-An Act To provide for the construction of vessels for the Coast [Public, No . 741 .] Guard for rescue and assistance work on Lake Erie . Be it enacted by the Senate and House of Representatives o the United States of America in Congress assembled, That the ecr e- tary of the Treasury be, and he is hereby, authorized to construct and equip one Coast Guard cutter, to be of design and construction suitable for service in assisting shipping on the waters of Lake Erie and others of the Great Lakes : Provided, That the total cost of construction and of original equipment of said Coast Guard cutter shall not exceed the sum of $650,000 . Approved, February 27, 1931 . Coast Guard, Treas- ury Department . Cutt er au thor ized for Great Lakes service . Ante, p. 173 . Proviso . Cost limit . February 27, 1931 . [H. R . 14922.] [Public, No . 742 .1 District of Columbia Traffic Act, amend- ments. Vol.43,p. 1110. Vol . 44, p. 812. Matter repealed . Phraseology substi- tuted . Title amended . Co mmissioners em- powered to make, etc ., traffic rules and regula- tions, etc . CHAP. 315 .-An Act To provide for a survey of the Mouse River, North Dakota, with a view to the prevention and control of its floods . CHAP. 317-An Act To amend the Acts approved March 3, 1925, and July 3, 1926, known as the District of Columbia Traffic Acts, and so forth . Be it enacted by the Senate and House of Representatives of the United States o f America in Congress assembled, That the Act of Congress approved March 3, 1925, known as the District of Columbia Traffic Act, 1925, and the Act of Congress approved July 3, 1926, entitled "An Act to amend the Act known as the District of Columbia Traffic Act," be, and the same are hereby, amended as fol lows 1. That paragraph (f) of section 2 of such Act of March 3, 1925, as amended, be, and the same is, repealed, and the letters designating paragraphs (g), (h), (i), (j), (k), and (1) be changed to (f), (g), (h), (1), (j), and (k), respectively . 2. That such Acts be, and the same are hereby, amended so that wherever the word " director " appears in such Acts said word " director " shall be stricken and in lieu thereof the words " com- missioners or their designated agent " shall be substituted . 3 . That section 6 of said Acts be, and the same is hereby, amended so that the title thereof shall read " Regulation of Traffic ." 4. That sections 6, 9, 10, and 13a of such Acts be, and the same are hereby, amended to read as follows "SEC . 6. (a) The Commissioners of the District of Columbia are hereby authorized and empowered to make, modify, repeal, and enforce usual and reasonable traffic rules and regulations relating to vehicles, and rules and regulations concerning the control of traffic, the registration of motor vehicles, and the issuance and
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