Books by Minneapolis Conference in the Matter of Pollution of the Interstate and Intrastate Waters of the Upper Mississippi River and its Tributaries--Minnesota and Wisconsin:
Books in the extended shelves:
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Conference in the Matter of Pollution of the Interstate and Intrastate Waters of the Upper Mississippi River and Its Tributaries--Minnesota and Wisconsin (2nd : 1967 : Minneapolis): Proceedings. (U.S. Dept. of the Interior, Federal Water Pollution Control Administration, 1967), also by United States. Federal Water Pollution Control Administration (page images at HathiTrust)- Conference in the Matter of Pollution of the Interstate and Intrastate Waters of the Upper Mississippi River and its Tributaries--Minnesota and Wisconsin, Minneapolis, 1967: Proceedings, second session. (U. S. Dept. of the Interior, Federal Water Pollution Control Administration, 1967) (page images at HathiTrust)
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