Freshwater Foundation & United States. Soil Conservation Service. (1988). Agricultural chemicals and groundwater protection: Emerging management and policy : proceedings of a conference held October 22-23, 1987, St. Paul, Minnesota. The Foundation.
Chicago Style (17th ed.) CitationFreshwater Foundation and United States. Soil Conservation Service. Agricultural Chemicals and Groundwater Protection: Emerging Management and Policy : Proceedings of a Conference Held October 22-23, 1987, St. Paul, Minnesota. Navarre, Minn., U.S.A.: The Foundation, 1988.
MLA (9th ed.) CitationFreshwater Foundation and United States. Soil Conservation Service. Agricultural Chemicals and Groundwater Protection: Emerging Management and Policy : Proceedings of a Conference Held October 22-23, 1987, St. Paul, Minnesota. The Foundation, 1988.