PUBLIC LAW 98-63—JULY 30, 1983 97 STAT. 311 Contracts for architect and engineering services, and surveying and mapping services, shall be awarded in accordance with title IX of the Federal Property and Administrative Services Act of 1949 (40 U.S.C 541 et seq.). The Secretary of the Army, acting through the Chief of Engineers, is authorized and directed to include in the survey report on Three- mile Creek, Mobile, Alabama, the costs and benefits of local improvements initiated subsequent to January 1, 1982, by the city of Mobile for flood damage reduction measures which the Chief of Engineers determines are compatible with and constitute an inte- gral part of his recommended plan. In determining the appropriate non-Federal share for such plan, the Chief of Engineers shall give recognition to costs incurred by non-Federal interests in carrying out such local improvements. The Secretary of the Army, acting through the Chief of Engineers, is hereby authorized to prepare a comprehensive study and recom- mendations for the development and efficient utilization of the water and related resources of southcentral and southeast Okla- homa and to prepare a similar comprehensive study and recommen- dations for the Red River and its tributaries in Arkansas, Texas, Louisiana, and Oklahoma. Funds herein or hereafter provided for the Beverly Shores, Indi- ana, project may be used to operate and maintain the emergency shore protection measures constructed pursuant to section 103 of the Energy and Water Development Appropriations Act, 1982 (95 Stat. 1187). Not to exceed $500,000 shall be available for removal of obstruc- tive shoals within the project limits of the Kawkawlin River, MI, project. Section 107 of Public Law 97-88 pertaining to maintenance and operation of the Chicago Sanitary and Ship Canal of the Illinois Waterway in the interest of navigation includes the Control Struc- ture and Lock in the Chicago River, and other facilities as are necessary to sustain through navigation from Chicago Harbor on Lake Michigan to Lockport on the Des Plaines River. Not to exceed $500,000 shall be available for channel clearing of Bayou Rigolette as determined advisable by the Chief of Engineers in the Project Aloha-Rigolette Area, Grant and Rapides Parishes, Louisiana, authorized by the Flood Control Act approved August 18, 1941. The Wallisville Reservoir, Texas, project, authorized by section 101 of the River and Harbor Act of 1962 (Public Law 87-874), is hereby modified with respect to its physical elements and planned operation as recommended in the Wallisville Lake, Texas, Post- Authorization Change Report, July 1981, as supplemented, July 1982. Notwithstanding the above modifications, provisions of the Contract for Water Storage, Salinity Control, and Recreation in Wallisville Reservoir (Contract Numbered DACW64-67 -C-0108 signed by the Secretary of the Army, February 2, 1968) between the United States Government and the city of Houston, the Trinity River Authority of Texas, and the Chambers Liberty Counties Navi- gation District, shall govern non-Federal participation: Provided, That total project cost as cited in said contract shall be understood to consist of (1) costs, exclusive of land costs, actually incurred by the United States in connection with construction of elements cur- rently in place and to be used in the modified plan, including interest during construction; (2) the actual cost of lands used in the 33 USC 569b. Survey report. Study and recom- mendations. 95 Stat. 1137. 55 Stat. 638. Wallisville Reservoir, Tex. 76 Stat. 1173.
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