MARTIN, Steven L., Kentucky Geological Survey, 228 Mining and Minerals Resources Building, University of Kentucky, Lexington, KY 40506-0107, SPARKS, Thomas N., Kentucky Geological Survey, 228 Mining and Mineral Resources Building, University of Kentucky, Lexington, KY 40506-0107, WANINGER, Scott, Kentucky Geological Survey, 1401 Corporate Court, Henderson, KY 42420, CURL, Douglas C., Kentucky Geological Survey, University of Kentucky, 228 Mining and Mineral Resources Building, University of Kentucky, Lexington, KY 40506-0107 and WEISENFLUH, Gerald A., Kentucky Geological Survey, University of Kentucky, 228 Mining and Mineral Resources Building, Lexington, KY 40506-0107, smartin401@uky.edu, smartin401@uky.edu