PUBLIC LAW 102-508 —OCT. 24, 1992 106 STAT. 3313 (2) the State of Missouri enters into an enforceable agree- Contracts, ment with the Secretary to implement a project mitigation plan that includes, at a minimum— (A) expansion of the Creve Coeur Lake Memorial Park (hereinafter cited in this section as "the Park") in the vicinity of St. Louis, Missouri, by at least 50 percent, through acquisition and addition to the Park of not less than six hundred acres of land; (B) development of a walking and bicycle path that is not less than ten feet in width and connects the Park to the KATY Trail State Park in St. Charles County, Missouri; (C) construction of nature trails in the wooded upland portion of the additions to the Park referred to in subparagraph (A); (D) development of a Wetland Wildlife area that includes lake areas and marshes, trsdls, observation points, and other environmentally compatible features in the Park or in one of the additions to the Park referred to in subparagraph (A); (E) dredging of Creve Coeur Lake to help remedy a chronic siltation problem and to promote fish and wilmife populations; (F) construction.of a new lake in one of the additions to the Park referred to in subparagraph (A) to help alleviate the recurrence of a chronic siltation problem in a manner that minimizes, to the maximum extent practicable and in accordance with section 404 of the Federal Water Pollution Control Act (33 U.S.C. 1344), the disturbance of any existing wetlands; (G) design and construction of features to minimize the visual and physical impact of the project in the vicinity of the Park, consistent, to the extent practicable, with recommendations of the design committee established in accordance with subsection (c), including— (i) the use of textured concrete, as appropriate; (ii) the minimization of bridge pier sizing in the elevated portion of the project; (iii) the use of a bridge design that is more aesthetically pleasing than standard elevated roadway designs; (iv) construction of bridge siderails with materials that are effective noise attenuators to reduce operational noise levels near the bridge; (v) design and construction of a drainage system to prevent contamination of Creve Coeur Lake and Creve Coeur Creek with pollution from roadway runoff; (vi) landscaping of the area between the elevated roadway and Creve Coeur Mill Road to enhance visual parameters without compromising road user safety; and (vii) the placement of signs to direct road users to appropriate park entrances and facilities; (H) such other mitigation measures as the Secretary may determine are appropriate to ensure that the environmental benefits of the project mitigation plan exceed the environmental damage associated with the project; and
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