97 STAT. 314 PUBLIC LAW 98-63—JULY 30, 1983 36 Stat. 630. Report submittal. 82 Stat. 731. 16 USC prec. 791 note, 824. Appropriation restriction. the Cowlitz River, Washington, authorized by the first section of the Act entitled "An Act making appropriations for the construction, repair, and preservation of certain public works on rivers and harbors, and for other purposes", approved June 25, 1910 (36 Stat. 665), is hereby modified to authorize the Secretary of the Army, acting through the Chief of Engineers, to implement and maintain flood control measures on the Cowlitz and Toutle Rivers by dredging or other means determined by the Secretary to be necessary to assure flood protection for developed areas in the vicinity of such rivers against a one-hundred-year flood on the lower Cowlitz River and to reduce sedimentation flow and the chance of blockage on the Columbia River. The authorization provided in this paragraph shall remain in effect until such time as permanent solutions and meas- ures for flood control and navigation as identified in the Chief of Engineers' Cowlitz and Toutle Rivers final feasibility report, to be submitted to the President and the Congress by the Secretary of the Army, are fully implemented. The project for Cooper River, Charleston Harbor, South Carolina, authorized by the River and Harbor Act of 1968, Public Law 90-483, approved August 13, 1968, is hereby modified to authorize and direct the Secretary of the Army, acting through the Chief of Engineers, to install a closure structure in the diversion canal between Lake Marion and Lake Moultrie and to construct such measures as the Chief of Engineers determines necessary to improve the seismic stability of the Pinopolis West Dam on the Cooper River, at an estimated cost of $22,000,000: Provided, That nothing in this para- graph shall waive any requirements under the Federal Power Act of 1935 (49 Stat. 847): Provided further, That in addition to such sums as are otherwise appropriated by this Act there are appropriated an additional $2,000,000, to remain available until expended, for "Con- struction, general. Corps of Engineers—Civil", for engineering and design studies in connection with the project authorized by this paragraph. No amount appropriated under this or any other Act may be used by the Secretary of the Army (or his delegate) or by any other agency or instrumentality of the United States to acquire any land or interest in land within the Tensas River National Wildlife Refuge under the power of condemnation. The preceding sentence shall not apply to any land or interest in land owned, as of May 25, 1983, by the Chicago Mill and Lumber Company. DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION study. GENERAL PROVISIONS The Secretary of the Interior is hereby authorized to engage in a feasibility study for the Prairie Bend unit, Pick-Sloan Missouri River Basin program, located in Dawson, Buffalo, and Hall Counties in Nebraska for irrigation, stabilization of ground-water levels, enhancement of water quality, small community and rural domestic water supplies, management of fish and wildlife habitat, public outdoor recreation, flood control, and other purposes determined to be appropriate. Such feasibility study shall include a detailed report on any effects the proposed project may have on wildlife habitat, including habitat of the sandhill crane and the endangered whoop-
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