62 STAT.] 80TH CONG. , 2D SESS.-CH. 771--JUNE 30, 1948 1179 (b) The Devils Swamp project at Baton Rouge, Louisiana, at an Baton Rouge La. estimated cost of $2,000,000, authorized by the River and Harbor Act approved July 24,1946, and the authorization for the Lower Mississippi 60 Stat. 635. River project is increased accordingly. (c) The project for improvement of the L'Anguille River, Arkansas, L'Anguie River at an estimated cost of $5,100,000 is hereby approved substantially in Ark accordance with the recommendations of the Chief of Engineers in House Document Numbered 651, Eightieth Congress, and the author- ization for the Lower Mississippi River project is increased by $2,000,000. RIO ORANDE BASIN The comprehensive plan for the Rio Grande Basin as set forth in Approval of plan. the report of the Chief of Engineers dated April 5, 1948, and in the report of the Bureau of Reclamation dated November 21, 1947, all in substantial accord with the agreement approved by the Secretary of the Army and the Acting Secretary of the Interior on November 21, 1947, is hereby approved except insofar as the recommendations in those reports are inconsistent with the provisions of this Act and sub- ject to the authorizations and limitations set forth herein. The approval granted above shall be subject to the following condi- Limitations. tions and limitations: (a) Construction of the spillway gate structure at Chamita Dam Chamita Dam. shall be deferred so long as New Mexico shall have accrued debits as defined by the Rio Grande Compact and until New Mexico shall con- sistently accrue credits pursuant to the Rio Grande Compact; 46 Stat. 767. (b) Chiflo Dam and Reservoir on Rio Grande shall be excluded from chiflo Dam and the Middle Rio Grande project authorized herein without prejudice to Reservo' subsequent consideration of Chiflo Dam and Reservoir by the Congress; (c) The Bureau of Reclamation, in conjunction with other interested Studies by Bureau Federal agencies, is directed to make studies to determine feasible of Reclamation. ways and means of reducing nonbeneficial consumption of water by native vegetation in the flood plain of the Rio Grande and its principal tributaries above Caballa Reservoir; and (d) At all times when New Mexico shall have accrued debits as Otmration of res.r - defined by the Rio Grande Compact all reservoirs constructed as a v " part of the project shall be operated solely for flood control except as otherwise required by the Rio Grande Compact, and at all times all 46 stat. 767 . project works shall be operated in conformity with the Rio Grande Compact as it is administered by the Rio Grande Compact Commission. In carrying out the provisions of this Act, the Secretary of the Authority of Seere- Interior shall be governed by and have the powers conferred upon him of nter by the Federal reclamation laws (Act of June 17, 1902, 32 Stat. 388), 43 .s c. 391. and Acts amendatory thereof or supplementary thereto, except as is otherwise provided in this Act or in the reports referred to above. This Act shall be deemed a supplement to said Federal reclamation laws. Approval is granted to the Secretary of the Interior subject to the fAcqisition byu.s . limitations of the authorizations approved from time to time for the Iiddle Rio Orande prosecution of this plan to acquire in the name of the United States, onservancyDistrict. by purchase or otherwise, any or all of the bonds and other evidences of indebtedness of the Middle Rio Grande Conservancy District out- standing when such authorizations are approved at such prices and on such terms and conditions as he shall deem necessary or proper for the protection of the investment of the United States and to retire those obligations on such terms and conditions as he shall likewise deem proper or necessary. The Secretary of the Interior, in entering into a contract or contracts bRpament' ofrrcei for the repayment of the reimbursable construction costs of the Middle ooat.
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