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
Wastewater Phosphorus Control and Reduction Initiative final report Image Date Issued 2004 Author Hora, Marvin Main Topic Agricultural Drainage Water Conveyance & Hydraulics
