Studies by the U.S. Geological Survey on Sources, Transport, and Fate of Agricultural Chemicals Image Date Issued 2004 Author Capel, Paul Hamilton, Pixie A. Erwin, Martha L. Main Topic Groundwater Surface Water Water Conveyance & Hydraulics
Quality of water from domestic wells in principal aquifers of the United States, 1991-2004 : Overview of Major Findings Image Date Issued 2009 Author DeSimone, Leslie A. Hamilton, Pixie A. Gilliom, Robert J. Main Topic Drinking Water Groundwater Water Conveyance & Hydraulics