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Authors Name
U.S. Army Corps of Engineers [2]
United States Department of Commerce [1]
United States Department of Interior Fish and Wildlife Service [1]
United States Department of the Interior [1]
United States Environmental Protection Agency – Michigan Department of Natural Resources Surface Water Quality Division [1]
United States. Environmental Protection Agency. Water Quality Office. [1]
United States. Federal Water Quality Administration [1]
United States. U.S. Geological Survey [1]