Measuring Water Clarity and Quality in Minnesota Lakes and Rivers: A Census-Based Approach Using Remote-Sensing Techniques Date Issued 2007 Author Brezonik, Patrick L. Olmanson, Leif G. Bauer, Marvin E. Kloiber, Steve M. Main Topic Surface Water Water Quality & Pollutants Water Conveyance & Hydraulics
County-level estimates of nutrient inputs to the land surface of the conterminous United States, 1982-2001 Image Date Issued 2006 Author Ruddy, Barbara C. Lorenz, David L. Mueller, David K. Main Topic Water Conveyance & Hydraulics Water Economics
