CARSON, Eric C., RAWLING, J.E. III, ATTIG, John W., and BATES, Benjamin R., Department of Environmental Sciences, Wisconsin Geological and Natural History Survey, 3817 Mineral Point Road, Madison, WI 53705, eccarson@wisc.edu

KNOTT, Jeffrey R.¹, WAN, Elmira², DEINO, Alan³, PHILLIPS, Fred M.⁴, LACKEY, Jade Star⁵, JOHNSON, Christopher J.⁶, MANOUKIAN, David¹, NUNEZ, Ernest Jr¹, VERDADERO, Courtney¹, and WHITMER, Daniel¹, (1) Department of Geological Sciences, California State Univ, Fullerton, Box 6850, Fullerton, CA 92834, jknott@fullerton.edu, (2) U.S. Geological Survey, 345 Middlefield Rd, MS-975, Menlo Park, CA 94025, (3) Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, (4) Earth & Environmental Science Dept, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, (5) Geology Department, Pomona College, 185 East 6th Street, Claremont, CA 91711, (6) Department of Geological Sciences, California State University, Fullerton, Box 6850, Fullerton, CA 92831-3599

LUKENS, Bill and DRIESE, Steven G., Terrestrial Paleoclimatology Research Group, Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, bill_lukens@baylor.edu

HALFEN, Alan F., Dept. of Geography, University of Kansas, 1475 Jayhawk Blvd, Rm. 213, Lawrence, KS 66045, afhalfen@ku.edu

SUTHER, Bradley E., Department of Geography and Anthropology, Kennesaw State University, 1000 Chastain Road, MD 2203, Kennesaw, GA 30144-5591, bsuther@kennesaw.edu and LEIGH, David S., Department of Geography, University of Georgia, Geog.-Geol. Building, 210 Field St., Room 204, Athens, GA 30602

MISSIMER, Thomas M., Florida Gulf Coast University, U. A. Whitaker College of Engineering, 10501 FGCU Boulevard South, Fort Myers, FL 33965-6565, tmissimer@fgcu.edu and MALIVA, Robert G., Schlumberger Water Services USA Inc, 1567 Hayley Lane, Suite 202, Fort Myers, FL 33907

PIETRAS, Jeffrey T., LOWENSTEIN, Tim K., DEMICCO, Robert V., and KENYON, Ryan, Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902, jpietras@binghamton.edu

CARROLL, Alan, Department of Geology and Geophysics, University of Wisconsin, Madison, 1215 W. Dayton St, Madison, WI 53706, carroll@geology.wisc.edu

BADDOUH, M'bark¹, CARROLL, Alan R.¹, MEYERS, Stephen R.², BEARD, Brian³, and JOHNSON, Clark³, (1) Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton St, Madison, WI 53706, mbaddouh@wisc.edu, (2) Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton St, Madison, WI 53076, (3) Department of Geoscience, University of Wisconsin-Madison, NASA Astrobiology Institute, 1215 W. Dayton St, Madison, WI 53706

GEISS, Christoph, Environmental Science Program, Trinity College, 300 Summit St, Hartford, CT 06106, christoph.geiss@trincoll.edu, CAMILL, Phil, Earth and Oceanographic Science, Bowdoin College, 6800 College Station, Brunswick, ME 04011, EDLUND, Mark B., Saint Croix Watershed Research Station, Science Museum of Minnesota, 16910 152nd St. North, Marine on St. Croix, MN 55047, and UMBANHOWAR, Charles E. Jr, Department of Biology and Environmental Studies, Saint Olaf College, 1520 Saint Olaf Ave, Northfield, MN 55057

ASLAN, Andres¹, BORAAS, Marisa², BECKER, Thomas P.³, SPRINKEL, Douglas⁴, LYNDS, Ranie⁵, and NICHOLS, Doug¹, (1) Department of Physical and Environmental Science, Colorado Mesa University, 1100 North Avenue, Grand Junction, CO 81501, aaslan@coloradomesa.edu, (2) Dept. of Physical and Environmental Sciences, Colorado Mesa University, 1100 North Avenue, Grand Junction, CO 81501, (3) ExxonMobil Upstream Research Company, Houston, TX 77067, (4) Utah Geological Survey, 1594 W. North Temple, Suite 3110, Salt Lake City, UT 84114, (5) Wyoming State Geological Survey, PO Box 1347, Laramie, WY 82073

HILL, Carol A.¹, POLYAK, Victor J.², and ASMEROM, Yemane², (1) Earth & Planetary Sciences, Univ of New Mexico, 221 Yale Blvd., Northrop Hall, Albuquerque, NM 87131, (2) Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd, Northrop Hall, Albuquerque, NM 87131, Polyak@Unm.edu

RIDGE, John C., Department of Earth and Ocean Sciences, Tufts University, Medford, MA 02155, jack.ridge@tufts.edu, BALCO, Greg, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, BECK, Catherine C., Earth and Planetary Science, Rutgers University, 610 Taylor Rd, Piscataway, NJ 08854, BAYLESS, Robert L., Continental Resources, Oklahoma City, OK 73126, CARTER, Laura B., Dept. of Earth Science, Rice University, Houston, TX 77005, DEAN, Jody L., Dept. of Earth and Ocean Sciences, Tufts University, Medford, MA 02155, VOYTEK, Emily B., Dept. of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, and WEI, Jeremy H., Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305