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
Nitrogen Fixation, it's not just for Nitrogen poor systems : spatial and temporal patterns of N-fixation in the Upper Mississippi river ( UMR) Image Date Issued 2010 Author Bartsch, L. A. Klein, S. J. Franz, J. L Knights, B. C. Houser, J. H Decker, J. K. Richardson, W. B. Main Topic Water Conveyance & Hydraulics
