CRAWFORD, Matthew, Kentucky Geological Survey, University of Kentucky, 228 Mining and Mineral Resources Bldg., Lexington, KY 40506-0107, DORTCH, Jason M., Kentucky Geological Survey, University of Kentucky, 310 Columbia Ave, Lexington, KY 40506-0107, KOCH, Hudson, University of Kentucky, Kentucky Geological Survey, 228 Mining and Minerals Resources Bldg., 310 Columbia Ave, Lexington, KY 40506, ZHU, Yichuan, Kentucky Geological Survey, University of Kentucky, 504 Rose Street, 204 Mining and Mineral Resources Building, Lexington, KY 40506-0107 and HANEBERG, William, Kentucky Geological Survey, University of Kentucky, 504 Rose Street, Lexington, KY 40506