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National Research Council (U.S.), National Research Council (U.S.). Water Science and Technology Board, National Research Council (U.S.). Committee on the Mississippi River and the Clean Water Act, National Research Council (U.S.). Division on Earth and Life Studies, and Inc ebrary. Mississippi River Water Quality and the Clean Water Act: Progress, Challenges, and Opportunities. Washington, D.C.: National Academies Press, 2008.

National Research Council (U.S.), et al. Mississippi River Water Quality and the Clean Water Act: Progress, Challenges, and Opportunities. National Academies Press, 2008.