Trends in Pesticide Concentrations in Corn-Belt Streams, 1996–2006 Image Date Issued 2009 Author Sullivan, Daniel J. Vecchia, Aldo V. Lorenz, David L. Gilliom, Robert J. Martin, Jeffrey D. Main Topic Water Quality & Pollutants
Water Quality in the Eastern Iowa Basins Iowa and Minnesota, 1996–98 Image Date Issued 2000 Author Kalkhoff, Stephen J. Barnes, Kimberlee K. Becher, Kent D. Savoca, Mark E. Schnoebelen, Douglas J. Sadorf, Eric M. Porter, Stephen D. Sullivan, Daniel J. Main Topic Water Quality & Pollutants Surface Water
