Mercury in Soils, Lakes, and Fish in Voyageurs National Park (Minnesota):? Importance of Atmospheric Deposition and Ecosystem Factors Date Issued 2006 Author Wiener, James G Knights, B. C. Sandheinrich, Mark B Jeremiason, J. D. Brigham, Mark E. Engstrom, Daniel R. Woodruff, Laurel G Main Topic Surface Water Water Conveyance & Hydraulics Water Education, Outreach & Community Capacity
Mercury in wetlands at the Glacial Ridge National Wildlife Refuge, northwestern Minnesota, 2007-9 Image Date Issued 2013 Author Cowdery, Timothy K. Brigham, Mark E. Main Topic Groundwater Surface Water Water Quality & Pollutants Water Conveyance & Hydraulics Water Education, Outreach & Community Capacity