St. Paul Technical-Vocational Institute ; co-sponsored by the Minnesota State Legislature, Minnesota State Planning Agency, Commission on Minnesota's Future
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.)
a report prepared by the Metropolitan Council of a conference held on November 7, 1977 at Spring Hill Conference Center [sponsored by Metropolitan Council, in cooperation with United Way of Minneapolis Suburban Council Services]