EWING, Ryan C., Department of Geology and Geophysics, Texas A&M University, 3115 TAMU, College Station, TX 77843, KOCUREK, Gary, Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 1 University Station C9000, Austin, TX 78712, MOHRIG, David, Jackson School of Geosciences, The University of Texas at Austin, 2275 Speedway, Stop C9000, Austin, TX 78712-1722, SMITH, Virginia, Department of Civil and Environmental Engineering, Villanova University, 800 Lancaster Ave., Villanova, PA 19085, REISER, M. Hildegard, 844 Ptarmigan Circle, Loveland, CO 80538 and BUSTOS Sr., David, National Park Service, White Sands National Monument, PO Box 1086, Holloman AFB, NM 88330, rce@tamu.edu