Search Results
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1
Ground-water-quality-monitoring program in Iowa : nitrate and pesticides in shallow aquifers
Published: U.S. Geological Survey, 1989Description: vi, 32 pages : illustrations, maps ; 28 cm.Book -
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Iowa ground-water-quality monitoring program
Published: The Survey ; [Books and Open-File Reports Section, distributor], 1985Description: iii, 34 pages : illustrations, maps ; 28 cm.Microfilm Book