ZAMBITO, James IV, STEWART, Esther K., MCLAUGHLIN, Patrick, SULLIVAN, Nicholas B., and HURTH, Michael, Wisconsin Geological Survey, University of Wisconsin - Extension, 3817 Mineral Point Rd, Madison, WI 53705, jay.zambito@wgnhs.uwex.edu

BYUN, Ukhwan and KWON, Yikyun, Geoenvironmental Sciences, Kongju National University, Singwan-dong, Kongju, 314-701, South Korea, ddoro86@hotmail.com

MELCHIN, Michael, Dept. of Earth Sciences, St. Francis Xavier Univ, Antigonish, NS B2G 2W5, Canada, mmelchin@stfx.ca, SHEETS, H. David, Dept. of Geology, SUNY at Buffalo, 411 Cooke Hall, Buffalo, NY 14260, MITCHELL, Charles E., Geology, University at Buffalo, SUNY, Buffalo, NY 14260, and FAN, Junxuan, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing, 210008, China

SULLIVAN, Nicholas B., Chemostrat Inc, 750 Bering Drive, Suite 550, Houston, TX 77057, nicksullivan@chemostrat.com, BRETT, Carlton E., Geology, University of Cincinnati, 500 Geology/Physics, University of Cincinnati, Cincinnati, OH 45221, MCLAUGHLIN, Patrick I., Bedrock Division, Wisconsin Geological and Natural History Survey, 3817 Mineral Point Rd, Madison, WI 53705-5100, KLEFFNER, Mark A., School of Earth Sciences, The Ohio State University Lima, 4240 Campus Drive, Lima, OH 45804, CRAMER, Bradley D., Department of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, and THOMKA, James R., Department of Geosciences, University of Akron, The University of Akron, Akron, OH 44325-1901

MCADAMS, Neo E.B., Department of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, neo-buengermcadams@uiowa.edu, SCHMITZ, Mark D., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, KLEFFNER, Mark A., School of Earth Sciences, The Ohio State University Lima, 4240 Campus Drive, Lima, OH 45804, EBERT, James R., Department of Earth and Atmospheric Sciences, SUNY Oneonta, Ravine Parkway, Oneonta, NY 13820-4015, and CRAMER, Bradley D., Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242

CHRISTE, Geoff, Department of Environmental Quality, 629 East Main Street, 5th Floor, Richmond, VA 23219, SCHWEICKERT, Richard A., Geological Sciences, University of Nevada, Reno, Reno, NV 89557, richschw@unr.edu, PECHA, Mark, Department of Geosciences, University of Arizona, Tucson, AZ 85721, and GARSIDE, Larry J., Nevada Bureau of Mines and Geology, University of Nevada Reno, MS 178, Reno, NV 89557

SANCHEZ-HERNANDEZ, Yosmel, Earth and Environment, Florida International University, 11200 SW 8th St # PC-344, Miami, FL 33199, ysanc016@fiu.edu and MAURRASSE, Florentin J-M.R., Earth and Environment, Florida International University, 11200 S.W. 8th street, Miami, FL 33199

CRAMER, Bradley D., Department of Earth and Environmental Sciences, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, bradley-cramer@uiowa.edu, VANDENBROUCKE, Thijs R.A., UMR 8217 du CNRS: Géosystèmes, Lille1 University, Villeneuve d'Ascq, 59655, France, and LUDVIGSON, Greg A., Kansas Geological Survey, University of Kansas, 1930 Constant Ave, Lawrence, KS 66047-3726

SCHWARTZ, Robert K., Department of Geology, Allegheny College, Meadville, PA 16335, bschwart@allegheny.edu and VUKE, Susan M., Montana Bureau of Mines and Geology, Montana Tech, 1300 West Park Street, Butte, MT 59701

COOPER, Roger W., Department of Earth and Space Science, Lamar University, 17890 Nonie Lane, Lumberton, TX 77657-6847, rogerwcooper@yahoo.com and COOPER, Dee Ann, Non-vertebrate Paleontology Lab., Jackson School of Geosciences, The University of Texas at Austin, 17890 Nonie Lane, Lumberton, TX 77657

BENHALLAM, Wassim, Department of Geology and Geophysics, University of Utah, 837 e 700 s, apt A6, Salt Lake City, UT 84102, w.benhallam@utah.edu, STRIGHT, Lisa, Geology and Geophysics, University of Utah, Salt Lake City, UT 84109, and JOHNSON, Cari, Geology and Geophysics, University of Utah, Salt Lake City, UT 84112

FLUEGEMAN, Richard H., Geological Sciences, Ball State University, Muncie, IN 47306-0475, rfluegem@bsu.edu

QUARTERO, Erik M., Geoscience, University of Calgary, 2500 University Drive N.W, Calgary, AB T2N 1N4, Canada, emquarte@ucalgary.ca, BENTLEY, Laurence R., Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, and LEIER, Andrew, Department of Earth and Ocean Sciences, University of South Carolina, Columbia, SC 29208

EDWARDS, Lucy E., U.S. Geological Survey, 926A National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, leedward@usgs.gov