113 STAT. 332 PUBLIC LAW 106-53—AUG. 17, 1999 Great Lakes States, shall submit to Congress a report detailing the economic benefits of recreational boating in the Great Lakes basin, particularly at harbors benefiting from operation and maintenance projects of the Corps of Engineers. (d) COOPERATION. — In undertaking activities under this section, the Secretary shall— (1) encourage public participation; and (2) cooperate, and, as appropriate, collaborate, with Great Lakes States, tribal governments, and Canadian federal, provincial, and tribal governments. (e) WATER USE ACTIVITIES AND POLICIES.— The Secretary may provide technical assistance to the Great Lakes States to develop interstate guidelines to improve the consistency and efficiency of State-level water use activities and policies in the Great Lakes basin. (f) COST SHARING.— The Secretary may seek and accept funds from non-Federal entities to be used to pay up to 25 percent of the cost of carrying out subsections (b), (c), (d), and (e). SEC. 456. GREAT LAKES NAVIGATIONAL SYSTEM. In consultation with the St. Lawrence Seaway Development Corporation, the Secretary shall review the Great Lalces Connecting Channel and Harbors Report dated March 1985 to determine the feasibility of undertaking any modification of the recommendations made in the report to improve commercial navigation on the Great Lakes navigation system, including locks, dams, harbors, ports, channels, and other related features. 33 USC 1267 SEC. 457. NUTRIENT LOADING RESULTING FROM DREDGED MATE- note. RIAL DISPOSAL. (a) STUDY.— The Secretary shall conduct a study of nutrient loading that occurs as a result of discharges of dredged material into open-water sites in the Chesapeake Bay. Deadline. (b) REPORT.— Not later than 18 months after the date of enactment of this Act, the Secretary shall submit to Congress a report on the results of the study. SEC. 458. UPPER MISSISSIPPI AND ILLINOIS RIVERS LEVEES AND STREAMBANKS PROTECTION. The Secretary shall conduct a study of erosion damage to levees and other flood control structures on the upper Mississippi and Illinois Rivers and the impact of increased bsirge and pleasure craft traffic on deterioration of the levees and other flood control structures. 33 USC 652 note. SEC. 459. UPPER MISSISSIPPI RIVER COMPREHENSIVE PLAN. (a) DEVELOPMENT.—The Secretary shall develop a plan to address water resource and related land resource problems and opportunities in the upper Mississippi and Illinois River basins, from Cairo, Illinois, to the headwaters of the Mississippi River, in the interest of systemic flood damage reduction by means of— (1) structural and nonstructural flood control euid floodplain management strategies; (2) continued maintencuice of the navigation project; (3) management of bsuik caving and erosion; (4) watershed nutrient and sediment msuiagement; (5) habitat management;
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