Affiliation: | (1) West Virginia Geological and Economic Survey, P.O. Box 879, 26507-0789 Morgantown, West Virginia;(2) Desert Research Institute, P.O. Box 60220, 89506 Reno, Nevada;(3) Department of Geological Sciences/172, University of Nevada, 089557-0138 Reno, Nevada;(4) Department of Geological Sciences, University of South Carolina, 29208 Columbia, South Carolina;(5) Department of Geology, University of Illinois, 1301 West Green Street, 61801 Urbana, Illinois |