COVINGTON, Matthew, Department of Geosciences, University of Arkansas, 216 Gearhart Hall, Fayetteville, AR 72701, MARTIN, Jonathan, Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, TORAN, Laura, Dept Earth and Environmental Science, Temple University, 1901 N 13th St, Beury Hall, Philadelphia, PA 19122, HEFFERNAN, James, Duke University, Durham, NC 27708, SULLIVAN, Pamela, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97330, GARCIA Jr., Angel, Department of Geology and Environ Sc., James Madison University, 801 Carrier Drive, Harrisonburg, VA 22807-0001, MACALADY, Jennifer L., Dept of Geosciences, Pennsylvania State University, University Park, PA 16802 and GRAHAM, Wendy, Water Institute, University of Florida, 570 Weil Hall, PO Box 116601, Gainesville, FL 32611