Agricultural chemicals and groundwater protection : emerging management and policy : proceedings of a conference held October 22-23, 1987, St. Paul, Minnesota /Publisher: Navarre, Minn., U.S.A. : The Foundation,
Date: c1988. This title can be found in 2 Iowa libraries.
Agricultural chemicals and groundwater protection : suggested directions for consideration and action : recommendations from the conference agricultural chemicals and groundwater protection : emerging management and policy, October 1987, St. Paul, Minnesota /Publisher: Navarre, Minn. : Freshwater Foundation,
Date: 1988. This title can be found in 1 Iowa libraries.
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