Regional Nutrient Trends in Streams and Rivers of the United States, 1993?2003 Date Issued 2009 Author Sprague, Lori A. Lorenz, David L. Main Topic Surface Water Water Conveyance & Hydraulics
Trends in Suspended-Sediment Loads and Concentrations in the Mississippi River Basin, 1950–2009 Image Date Issued 2011 Author Heimann, David C. Sprague, Lori A. Blevins, Dale W. Main Topic Wastewater Hydrology
Nitrate in the Mississippi River and Its Tributaries, 1980 to 2008: Are We Making Progress? Image Date Issued 2011 Author Sprague, Lori A. Hirsch, Robert M. Aulenbach, Brent T. Main Topic Water Quality & Pollutants Water Conveyance & Hydraulics
Nutrient Trends in Streams and Rivers of the United States, 1993?2003 Image Date Issued 2009 Author Sprague, Lori A. Mueller, David K. Schwarz, Gregory E. Lorenz, David L. Main Topic Water Conveyance & Hydraulics Water Monitoring & Assessment
