Water-quality assessment of the eastern Iowa basins : selected pesticides and pesticide degradates in streams, 1996-98 / by Douglas J. Schnoebelen ... [et al.] ; prepared as part of the National Water-Quality Assessment Program.
Publisher:
U.S. Geological SurveyInformation Services distributor, U.S. Geological SurveyInformation Services distributor,
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.