PUBLIC LAW 101-229—DEC. 13, 1989 103 STAT. 1949 uses, permit conditions, and penalties, and to protect the bio- logical resources of the area. (d) CONCESSION CONTRACTS. —The Secretary is authorized to nego- tiate and enter into concession contracts with the owners of commercial airboat and tour facilities in existence on or before January 1, 1989, located within the addition for the provision of such services at their current locations under such rules and condi- tions as he may deem necessary for the accommodation of visitors and protection of biological resources of the area. (e) VISITOR CENTER.— The Secretary is authorized and directed to expedite the construction of the visitor center facility at Everglades City, Florida, as described in the Development Concept Plan, Gulf Coast, dated February 1989, and upon construction shall designate the visitor center facility as "The Marjory Stoneman Douglas Center" in commemoration of the vision and leadership shown by Mrs. Douglas in the protection of the Everglades and Everglades National Park. SEC. 104. MODIFICATION OF CERTAIN WATER PROJECTS. (a) IMPROVED WATER DELIVERIES.— (1) Upon completion of a final report by the Chief of the Army Corps of Engineers, the Secretary of the Army, in consultation with the Secretary, is authorized and directed to construct modifications to the Central and Southern Florida Project to improve water deliveries into the park and shall, to the extent practicable, take steps to restore the natural hydrological conditions within the park. (2) Such modifications shall be based upon the findings of the Secretary's experimental program authorized in section 1302 of the 1984 Supplemental Appropriations Act (97 Stat. 1292) and generally as set forth in a General Design Memorandum to be prepared by the Jacksonville District entitled "Modified Water Deliveries to Ever- glades National Park". The Draft of such Memorandum and the Final Memorandum, as prepared by the Jacksonville District, shall be submitted as promptly as practicable to the Committee on Energy and Natural Resources and the Committee on Environment and Public Works of the United States Senate and the Committee on Interior and Insular Affairs and the Committee on Public Works and Transportation of the United States House of Representatives. (3) Construction of project modifications authorized in this subsec- tion and flood protection systems authorized in subsections (c) and (d) are justified by the environmental benefits to be derived by the Everglades ecosystem in general and by the park in particular and shall not require further economic justification. (4) Nothing in this section shall be construed to limit the oper- ation of project facilities to achieve their design objectives, as set forth in the Congressional authorization and any modifications thereof. (b) DETERMINATION OF ADVERSE EFFECT.—(1) Upon completion of the Final Memorandum referred to in subsection (a), the Secretary of the Army, in consultation with the South Florida Water Manage- ment District, shall make a determination as to whether the resi- dential area within the East Everglades known as the "Eight and One-Half Square Mile Area" or adjacent agricultural areas, all as generally depicted on the map referred to in subsection 102(a), will be adversely affected by project modifications authorized in subsec- tion (a). Marjory Stoneman Douglas. 16 USC 410r-8. Agriculture and agricultural conimodities.
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