Nutrient Removal in Agricultural Drainage Ditches [Project] Image Date Issued 2016 Author Strock, Jeffrey S. Mulla, David J. Spokas, Kurt Feyereisen, Gary W. Main Topic Surface Water Water Conveyance & Hydraulics Water Economics
Sulfur and carbon controls on methyl mercury in St. Louis River Estuary sediment Phase II Image Date Issued 2012 Author Johnson, Nathan Beck, Brain F. Main Topic Surface Water Water Conveyance & Hydraulics
Sulfate and Mercury Cycling in Five Wetlands and a Lake Receiving Sulfate from Taconite Mines in Northeastern Minnesota Image Date Issued 2011 Author Berndt, Michael Bavin, Travis Main Topic Surface Water Water Conveyance & Hydraulics
On the Cycling of Sulfur and Mercury in the St. Louis River Watershed, Northeastern Minnesota Image Date Issued 2012 Author Berndt, Michael Bavin, Travis Main Topic Surface Water Water Conveyance & Hydraulics
MINERALOGY, SPATIAL DISTRIBUTION, AND ISOTOPE GEOCHEMISTRY OF SULFIDE MINERALS IN THE BIWABIK IRON FORM Image Date Issued 2011 Author Theriault, Stephanie A Main Topic Surface Water Water Conveyance & Hydraulics
Sulfate Release from Mining in the St. Louis River Watershed Image Date Issued 2010 Author Berndt, Michael Main Topic Surface Water Water Conveyance & Hydraulics
Sulfate and Mercury Chemistry of the St. Louis River in Northeastern Minnesota Image Date Issued 2009 Author Berndt, Michael Bavin, Travis Main Topic Surface Water Water Conveyance & Hydraulics
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
Tertiary-Treated Municipal Wastewater is a Significant Point Source of Antibiotic Resistance Genes into Duluth-Superior Harbor Image Date Issued 2011 Author LaPara, Timothy M. Burch, Tucker R. McNamara, Patrick J. Tan, David T. Yan, Mi Eichmiller, Jessica J. Main Topic Agricultural Drainage
Executive Summary Nitrogen in Minnesota Surface Waters Conditions, trends, sources, and reductions Image Date Issued 2013 Main Topic Surface Water