MAYGARDEN, Diane F., Earth and Environmental Sciences, University of New Orleans, GP 1065, 2000 Lakeshore Drive, New Orleans, LA 70148, dmaygard@uno.edu, WHITE, Lisa D., Geosciences, San Francisco State University, 1600 Holloway Ave, San Francisco, CA 94132, SERPA, Laura F., Geological Sciences, University of Texas at El Paso, 500 W. University, El Paso, TX 79968, RIDGWAY, Kenneth, Department of Earth and Atmospheric Sciences, Purdue University, 500 Stadium Mall Drive, West Lafayette, IN 47907, and BAILEY, Elsa B., Elsa Bailey Consulting, San Francisco, CA 94122