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268 8 28, 1 193 7 [Public, No . 396] Rio G rande and Pecos Rivers . Preliminary exam- inations of watersheds of, for water-flow re- tardation . 49 stat . 1692 . Pa yment of cost . August 28, 1937 [S . 27741 [Public, No. 3971 Blackfeet Indians, Mont . Relinquishment of lands held for recla- mat ion pu rposes to . Conditions. Title to be held in trust. Provisos . Easements, etc., re- served . Approval by tribal council. Expenditure au- thorized . 73Ta CONGRESS, 1sT SESSION-CHS . 867, 868-AUGUST 28 , 1937 [CHAPTER 867] AN ACT To provide for preliminary examinations and surveys for run-off and water-flow retarda tion and s oil-erosio n preventi on on the watersheds of the Ri o Grande and Pecos Rivers . Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of Agriculture is authorized an d directed to cause preliminary examinations and surveys for run-off and water-flow retardation and soil-erosion prevention on the watersheds, including all tributaries, of the Rio Grande and Pecos Rivers, above the point of their con- fluence, in the same manner and to the same extent as is provided for those localities named in section 6 of the Act entitled "An Act authorizing the construction of certain public works on rivers and harbors for flood control, and for other purposes", approved June 22 , 1 93 6 ; the cost thereo f to b e paid from appropr iation s here tofore or hereafter made for the purpose of carrying out the provisions of such section . Approved, August 28, 1937 . [CHAPTER 868] AN ACT To authorize the Secretary of the Interior to relinquish in favor of the Blackfeet Tribe of the Blackfeet Indian Reservation, Montana, the interest in certain land acquired by the United States under the Federal Reclamation Laws. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of the Interior is hereby authorized to relinquish in favor of the Blackfeet Tribe of the Blackfeet Indian Reservation, Montana, the interest acquired by the United States for Federal reclamation pur- poses in the lands within the exterior boundaries of the present Blackfeet Indian Reservation, that were acquired for Federal recla- mation purposes and are determined in the opinion of said Secre- tary not to be needed for such purposes . Such relinquishment shall be conditioned upon the repayment into the reclamation fund of a sum equal to the amount taken therefrom for the purchase of the, lands s o reli nquish ed, in cludin g the amounts paid for th e bene fit of allottees where the land acquired for Federal reclamation purposes wa s a l lo t te d l a nd . Upon such relinquishment and payment being made, the title to said lands shall be and remain in the United States in trust for the Indians of the Blackfeet Tribe of the Blackfeet Indian Reservation of Montana : Provi ded, That in making such relinquishments the Secretary may reserve for Federal reclamation purpose s such easem ents a nd rig hts as in his opini on may be re quired for present or future developments under the Federal reclamation laws, and the amount payable into the reclamation fund on account of such relinquishment shall be reduced by the value of the ease- ments and rights so retained for Federal reclamation purposes, such value to be conclusively ascertained by said Secretary : Provided further, That no relinquishments herein authorized shall be effective unless approved in writing by the Blackfeet Tribal Council . SEC . 2 . The Secretary of the Interior is hereby authorized to expend from any moneys on deposit in the Treasury of the United States to the credit of the Blackfeet Indians not to exceed $30,000 for the purpose of carrying out the purposes of this Act . Approved, August 28, 1937 .
