GIFFORD, Jennifer N., Department of Geological Sciences, St. Lawrence University, 149 Brown Hall, Canton, NY 13617, giff4088@ufl.edu, MUELLER, Paul A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, FOSTER, David A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, and MOGK, David W., Dept. of Earth Sciences, Montana State University, Bozeman, MT 59717

NORWOOD, Brock S., Winona State University, 122 Center St. Apt. 2A, Winona, MN 55987, bnorwood09@winona.edu and ALLARD, Stephen T., Department of Geoscience, Winona State University, P.O. Box 5838, Winona, MN 55987