Agrichemicals and groundwater protection : resources and strategies for state and local management : proceedings of a conference held October 23-25, 1988, St. Paul, Minnesota /Publisher: Navarre, Minn., U.S.A. : The Foundation,
Date: c1989. This title can be found in 1 Iowa libraries.
Agrichemicals and groundwater protection : resources and strategies for state and local management : proceedings of a conference held October 24-25, 1988, St. Paul, Minnesota /Publisher: Navarre, Minn., U.S.A. (Box 90, Navarre 55392-0090) : The Foundation,
Date: c1989. This title can be found in 1 Iowa libraries.
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