BOWSER, Carl J., Geosciences, University of Wisconsin - Madison, 970 E. Linda Vista Blvd, Oro Valley, Oro Valley, AZ 85704, bowser@geology.wisc.edu

DEOCAMPO, Daniel M., Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, deocampo@gsu.edu

IBARRA, Daniel E. and CHAMBERLAIN, C. Page, Environmental Earth System Science, Stanford University, 473 Via Ortega, Rm 140, Stanford, CA 94305, danieli@stanford.edu

SACK, Dorothy, Department of Geography, Ohio University, Athens, OH 45701, sack@ohio.edu

ALLANDER, Kip K., US Geological Survey, Nevada Water Science Center, 2730 North Deer Run Rd, Carson City, NV 89701, kalland@usgs.gov and NISWONGER, Richard G., U.S. Geological Survey, Nevada Water Science Center, 2730 N. Deer Run Rd, Carson City, NV 89701

ZIMMERMAN, Susan Herrgesell, Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, P.O. Box 808, L-397, Livermore, CA 94550, zimmerman17@llnl.gov, HEMMING, Sidney R., Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, DEINO, Alan L., Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, JAYKO, Angela S., Earth Surface Processes Team, U.S. Geological Survey, 3000 East Line St, Bishop, CA 93514, COLMAN, Steven M., University of Minnesota Duluth, Large Lakes Observatory and Dept. Geol. Sci, Duluth, MN 55812, and STARRATT, Scott W., U.S. Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3591

ROSEN, Michael R., US Geological Survey, 2730 North Deer Run Road, Carson City, NV 89701, mrosen@usgs.gov

HEYVAERT, Alan C., Division of Hydrologic Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, Alan.Heyvaert@dri.edu

REDWINE, Joanna, U.S. Bureau of Reclamation, Denver Federal Center, Denver, CO 80225, jredwine@usbr.gov

REAGAN, Jeremiah, Bristow, Geology, California State University Bakersfield, 9001 Stockdale Hwy, Bakersfield, CA 93311, JeremiahReagan@gmail.com, LAFEVER, Roy, Chemistry, California State University Bakersfield, 9001 Stockdale Hwy, Bakersfield, CA 93311, and NEGRINI, Robert M., Geology, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311

RENAUT, Robin W., Dept. of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, robin.renaut@usask.ca and OWEN, R. Bernhart, Dept. of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong

SCOTT, Jennifer J.¹, DUTCHAK, Alex R.², PLANTE, Kyle E.¹, MAYBURY, Braden R.P.¹, and SMITH, M. Elliot³, (1) Department of Earth Sciences, Mount Royal University, 4825 Mount Royal Gate SW, Calgary, AB T3E 6K6, jescott@mtroyal.ca, (2) Geoscience, University of Calgary, ES 118, 25 University Drive Northwest, Calgary, AB T2N 1N4, Canada, (3) School of Earth Sciences and Environmental Sustainability, Northern Arizona University, 602 S Humphreys, Flagstaff, AZ 86001

CASTENDYK, Devin, Department of Earth & Atmospheric Sciences, State University of New York, Oneonta, SUNY Oneonta, Oneonta, NY 13820, Devin.Castendyk@oneonta.edu, HAWES, Ian, Gateway Antarctica, University of Canterbury, Private Bag 4800, Christchurch, 8140, New Zealand, SUMNER, Dawn Y., Earth and Planetary Sciences, UC Davis, Davis, CA 95616, MACKEY, Tyler J., Earth and Planetary Sciences, University of California-Davis, One Shields Ave, Davis, CA 95616, and JUNGBLUT, Anne, Natural History Museum, London, London, SW7 5BD, England