SMITH, Tyson, U.S. Geological Survey, CO 80503, HANDFORD, C. Robertson, Consulting sedimentologist and stratigrapher, 3004 Ginn Point Road SE, Owens Cross Roads, AL 35873, HUDSON, Mark, USGS and LUTZ, Brandon, Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC 28608
GIST, John1, HUTTO, Richard1 and THOMAS, John2, (1)Arkansas Office of the State Geologist, 5301 Northshore Drive, North Little Rock, AR 72118, (2)Arkansas Office of the State Geologist, 5301 Northshore Dr, North Little Rock, AR 72118
SHEPHERD, Stephanie, Geosciences, Auburn University, 2050 Beard-Eaves memorial Coliseum, Auburn, AL 36849 and KEEN-ZEBERT, Amanda, Desert Research Institute, 2215 Raggio Pkwy, Reno, NV 89512