HOWARD, Ken W.F., Physical and Environmental Sciences, University of Toronto, 1265 Military Trail, Toronto, ON M1C 1A4 Canada, gwater@utsc.utoronto.ca

GREEN, Marta C., Hydrogeologist, Summit Environmental Consultants Inc, Suite 200-2800 29th Street, Vernon, BC V1T9P9 Canada, mg@summit-environmental.com

GOTKOWITZ, Madeline B., Wisconsin Geological and Natural History Survey, 3817 Mineral Point Rd, Madison, WI 53705, mbgotkow@wisc.edu, BRADBURY, Kenneth R., Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Rd, Madison, WI 53705, BORCHARDT, Mark A., USDA-Agricultural Research Service, 2615 Yellowstone Drive, Marshfield, WI 54449, and KRAUSE, Jacob J., Geosciences, University of Wisconsin-Madison, Weeks Hall, 1215 W. Dayton St, Madison, WI 53706

MULDOON, Maureen A.¹, BORCHARDT, Mark A.², SPENCER, Susan K.², HUBBARD, Laura³, and HUNT, Randall³, (1) Geology, University of Wisconsin, 800 Algoma Blvd, Oshkosh, WI 54901, muldoon@uwosh.edu, (2) USDA-Agricultural Research Service, 2615 Yellowstone Drive, Marshfield, WI 54449, (3) USGS, Wisconsin Water Science Center, 8505 Research Way, Middleton, WI 53562

BRADBURY, Kenneth R., Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Rd, Madison, WI 53705, krbradbu@wisc.edu, RAYNE, Todd W., Geosciences Department, Hamilton College, 198 College Hill Road, Clinton, NY 13323, KRAUSE, Jacob J., Geosciences, University of Wisconsin-Madison, Weeks Hall, 1215 W. Dayton St, Madison, WI 53706, WILCOX, Jeffrey D., Department of Environmental Studies, University of North Carolina at Asheville, One University Heights, CPO #2330, Asheville, NC 28804, and PTACEK, Carol J., Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada

GELLASCH, Christopher A., Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814, christopher.gellasch@usuhs.edu, BRADBURY, Kenneth R., Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Rd, Madison, WI 53705, WANG, Herb F., Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, GOTKOWITZ, Madeline B., Wisconsin Geological and Natural History Survey, 3817 Mineral Point Rd, Madison, WI 53705, and BAHR, Jean M., Department of Geoscience, University of Wisconsin, 1215 W. Dayton St, Madison, WI 53706

O'DRISCOLL, Michael A., Geological Sciences, East Carolina University, Greenville, NC 27858, odriscollm@ecu.edu, HUMPHREY, Charles Jr, Environmental Health Sciences Program, East Carolina University, 3408 Carol Belk, Greenville, NC 27858, MALLINSON, David, Department of Geological Sciences, East Carolina University, Greenville, NC 27858, SMITH, Matthew J., Geological Sciences, East Carolina University, East Carolina University, Dept. of Geological Sciences, 101 Graham Building, Greenville, NC 27858, and HARDISON, Sarah E., Geology Department, East Carolina University, Washington, NC 27889

PARADIS, Charles J.¹, JAGADAMMA, Sindhu², FORTNEY, Julian L.³, MEHLHORN, Tonia⁴, PARKER, Jack C.⁵, WATSON, David B.⁴, MCKAY, Larry D.¹, and HAZEN, Terry C.¹, (1) Earth & Planetary Sciences, University of Tennessee Knoxville, 306 EPS Building, 1412 Circle Drive, Knoxville, TN 37996, charlesjparadis@gmail.com, (2) Oak Ridge National Laboratory, Biosciences Division, P.O. Box 2008, Building 1505, Oak Ridge, TN 37831, (3) Civil and Environmental Engineering, University of Tennessee Knoxville, 325 John D. Tickle Building, Knoxville, TN 37996, (4) Oak Ridge National Laboratory, Environmental Sciences Division, P.O. Box 2008, Building 1505, Oak Ridge, TN 37831, (5) Institute for a Secure and Sustainable Environment, University of Tennessee, Knoxville, TN 37996

REICHARD, James S., Department of Geology and Geography, Georgia Southern University, P.O. Box 8149, Statesboro, GA 30460, jreich@georgiasouthern.edu, VANCE, R. Kelly, Department of Geology and Geography, Georgia Southern University, Statesboro, GA 30460, and MEYER, Brian K., Geosciences, Georgia State University, P.O. Box 4105, Atlanta, GA 30302

PRUEHS, Amanda M., Geology, Wayne State University, 38500 Sheffield, Clinton Township, MI 48036, a.m.pruehs@gmail.com and LEMKE, Lawrence D., Department of Geology, Wayne State University, 0224 Old Main, 4841 Cass, Detroit, MI 48202

DUTTON, Alan, AZOBU, Joshua O., and RABEL, Blaine C., Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, San Antonio, TX 78249, alan.dutton@utsa.edu

ANDERSON, Paula E.W., Department of Geosciences, University of Arkansas, 216 Ozark Hall, Fayetteville, AR 72701 and DAVIS, R.K., Geosciences, University of Arkansas, 216 Ozark Hall, Fayetteville, AR 72701, ralphd@uark.edu