AUSTIN, Steven A., Cedarville University, Cedarville, OH 45314, steveaustin@cox.net

HOLZER, Thomas L.¹, NOCE, Thomas E.², and BENNETT, Michael J.¹, (1) U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, tholzer@usgs.gov, (2) U.S. Geological Survey, HC64 Box 3101, Castle Valley, UT 84532

GUCCIONE, Margaret J., Department of Geosciences, University of Arkansas, OZAR-113, Fayetteville, AR 72701, guccione@uark.edu

HEINLEIN, Sarah N., Geological Sciences, The University of Texas at El Paso, 500 West University Ave, El Paso, TX 79968, sncervera@miners.utep.edu, BRUHN, Ronald, Geology and Geophysics, University of Utah, 115 South, 1460 East, Room 383, FSAB, Salt Lake City, UT 84112, and PAVLIS, Terry L., Geological Sciences, University of Texas at El Paso, 500 W. University, El Paso, TX 79968

BARTHOLOMEW, Mervin J., Earth Sciences, University of Memphis, Memphis, TN 38152, jbrthlm1@memphis.edu and VAN ARSDALE, Roy B., Earth Sciences, Univ. of Memphis, 1 Johnson Hall, Memphis, TN 38152

WARRELL, Kathleen F.¹, COX, Randel T.², HATCHER, Robert D. Jr¹, COUNTS, Ronald C.³, VAUGHN, James D.⁴, and OBERMEIER, Stephen F.⁵, (1) Earth and Planetary Sciences, University of Tennessee-Knoxville, 306 Earth and Planetary Sciences Building, Knoxville, TN 37996-1410, kwarrell@utk.edu, (2) Earth Sciences, University of Memphis, 1 Johnson Hall, Memphis, TN 38152, (3) Department of Geology, University of Cincinnati, Cincinnati, OH 45221, (4) Keen GeoServe, LLC, 325 East Vine Street, Dexter, MO 63841, (5) U.S. Geological Survey (Emeritus), 3415 W. County Road 50N, Rockport, IN 47635

MILLER, Thomas E., Department of Geology, University of Puerto Rico, University of Puerto Rico, Mayaguez, PR 00681, thomase.miller@upr.edu, BURNETT, Allison, Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, and CRUZ-TORRES, Juanita, Department of Geology, University of Puerto Rico, Mayaguez, PR 00681