PUBLIC LAW 86-645-JULY 14, 1960
proval of the President which shall set forth the plan of improvement, its economic justification, and his recommendations for local cooperation except that construction shall not be initiated until the expiration of the first period of 60 calendar days of continuous session of the Congress following the date on which such report is transmitted to it but only if between the date of transmittal and the expiration of such 60day period such report is not disapproved by Congress. The Secretary of the Army is hereby authorized and directed to cause an immediate study to be made under the direction of the Chief of Engineers of the project for flood protection at Sioux Falls, South Dakota, authorized by the Flood Control Act approved September 3, 1954, Public Law 780, Eighty-third Congress, in accordance with the recommendations of the Chief of Engineers in House Document Numbered 133, Eighty-fourth Congress, to determine whether extension of the authorized project to include flood protection in the reach between Western Avenue and Cherry Rock Dam, is justified^ and such modification is hereby authorized as determined to be justified by the Secretary of the Army with the approval of the President, unless within the first period of 60 calendar days of continuous session of the Congress after the date on which the report is submitted to it such report is disapproved by Congress. The project for flood protection on Vermillion Eiver, South Dakota, is hereby authorized substantially in accordance with recommendations of the Chief of Engineers in House Document Numbered 426, Eighty-sixth Congress, at an estimated cost of $6,010,000. No obligation shall be incurred for tKe cost of this project where the flood control benefits are exclusively for local flood control, as determined by the Secretary of the Army (except costs of planning, design, and acquisition of water rights), unless the State or one or more other non-Federal entities shall have entered into an agreement in advance to assume at least 20 per centum of the cost (except costs of planning, design, and acquisition of water rights) of the completed project allocated to the production of local flood control benefits, payable either as construction proceeds or pursuant to a contract providing for repayment with interest within 50 years.' The actual cost, or fair market value of lands, easements, rights-of-way, and work performed or services rendered prior to completion of construction of the project, which are furnished by a non-Federal entity, shall be included in the share of the cost to be borne by the non-Federal entity. That the Fort Randall Dam and Reservoir project, South Dakota, is modified to provide for construction of a free highway bridge over the Missouri River at an appropriate location west of Platte, South Dakota, under the direction of the Secretary of the Army and the supervision of the Chief of Engineers, in accordance with such plans as may be approved by the Chief of Engineers, in order to provide adequate crossing facilities over such river for highway traffic in the area and in replacement of the closure of the Wheeler Bridge by reason of construction of said reservoir at a Federal cost not to exceed $4,500,000: Provided, That local interests shall construct all necessary approaches to the bridge site, and provide without cost to the United States all lands, easements, and rights-of-way necessary for construction of the bridge. The project for flood protection on Cheyenne River and tributaries. South Dakota and Wyoming, is hereby authorized substantially in accordance with the recommendations of the Chief of Engineers in House Document Numbered 280, Eighty-sixth Congress, at an estimated cost of $272,000.
68 Stat. 1262.