1. Department of Civil and Environmental Engineering, Environmental Chemistry and Technology Program, University of Wisconsin—Madison, 660 N Park Street, Madison, Wisconsin 53706, United States
2. Water Resources Science Program, University of Minnesota—Duluth, Duluth, Minnesota 55812, United States
3. Department of Chemistry and Biochemistry, River Studies Center, University of Wisconsin—La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
4. Gustavus Adolphus College, St. Peter, Minnesota 56082, United States
5. Department of Civil Engineering, University of Minnesota—Duluth, Duluth, Minnesota 55812, United States