prepared by the United States Environmental Protection Agency, Region V and Wisconsin Department of Natural Resources with the assistance of ESEI - Ecolsciences Environmental Group
Conference in the Matter of Progress Meeting of the Conference Concerning Pollution of the Interstate and Intrastate Waters of the Upper Mississippi River and Its Tributaries - Minnesota and Wisconsin (2nd : 1969 : Minneapolis, Minn.)
produced in partnership by Wisconsin Dept. of Natural Resources Fisheries Management & Water Resources Mgmt. ; a video production of Wisconsin Dept. of Natural Resources Bureau of Information and Education
Progress Evaluation Meeting in the Matter of Pollution of the Interstate and Intrastate Waters of the Upper Mississippi River and Its Tributaries: Minnesota and Wisconsin (1968 : Minneapolis, Minn.)