JACKSON, D.W.T.¹, COOPER, J. Andrew G.², DELGADO-FERNADEZ, I.², LYNCH, K.³, BAAS, A.C.W.⁴ and BEYERS, M.⁵, (1)School of Environmental Sciences, University of Ulster, Cromore Road, Coleraine, BT52 1SA, United Kingdom, (2)School of Environmental Sciences, University of Ulster, Cromore Road, Coleraine, BT52 1SA, Northern Ireland, (3)Department of Geography, National University of Ireland (Galway), University Road, Galway, Ireland, (4)Department of Geography, Kings College London, Strand, London, WC2R 2LS, (5)Rowan Williams Davies and Irwin Inc, 650 Woodlawn Road West, Guelph, ON N1K 1B8, Canada, jag.cooper@ulster.ac.uk, jag.cooper@ulster.ac.uk

BEAL, Irina, Geology, Bates College, Lewiston, ME 04240, BURICH, Brooke, Geography and Geology, University of Wisconsin-Stevens Point, Stevens Point, WI 54481, GRABOS, Nicole, Geosciences, Indiana University Northwest, Gary, IN 46408, MESKEL, Bethany, Geography, Geology and the Environment, Slippery Rock University, Slippery Rock, PA 16057, WYCECH, Jody, Department of Chemistry, Grand Valley State University, Allendale, MI 49401, HANSON, M.H., Geology, Whitman College, Walla Walla, WA 99362, GRAZIA, Eric, Geography, University of Wisconsin-Madison, Madison, WI 53706, FLINNER, Nick, Geography and Geology, University of Wisconsin-Platteville, Platteville, WI 53818, RAWLING III, J. Elmo, Geography/Geology, University of Wisconsin Platteville, 1 University Plaza, Platteville, WI 53818 and HANSON, Paul, Conservation and Survey Division, School of Natural Resources, University of Nebraska, 612 Hardin Hall, Lincoln, NE 68588-0517, ibeal@bates.edu, ibeal@bates.edu

FLINNER, Nick, Geography and Geology, University of Wisconsin-Platteville, Platteville, WI 53818, GRAZIA, Eric, Geography, University of Wisconsin-Madison, Madison, WI 53706, HANSON, M.H., Geology, Whitman College, Walla Walla, WA 99362, WYCECH, Jody, Department of Chemistry, Grand Valley State University, Allendale, MI 49401, MESKEL, Bethany, Geography, Geology and the Environment, Slippery Rock University, Slippery Rock, PA 16057, GRABOS, Nicole, Geosciences, Indiana University Northwest, Gary, IN 46408, BURICH, Brooke, Geography and Geology, University of Wisconsin-Stevens Point, Stevens Point, WI 54481, BEAL, Irina, Geology, Bates College, Lewiston, ME 04240, RAWLING III, J. Elmo, Geography/Geology, University of Wisconsin Platteville, 1 University Plaza, Platteville, WI 53818 and HART, David J., Wisconsin Geological and Natural History Survey, University of Wisconsin-Extension, 3817 Mineral Point Rd, Madison, WI 53705, flinnern@uwplatt.edu, flinnern@uwplatt.edu

MCMASTER, Kaleb, Cedarville University, Department of Science and Mathematics, 251 N. Main St, Cedarville, OH 45314, WHITMORE, John H., Department of Science and Mathematics, Cedarville University, 251 N. Main St, Cedarville, OH 45314 and STROM, Raymond, Calgary Rock and Materials Services Inc, #3, 3610-29th St. NE, Calgary, AB T1Y5Z7, Canada, kalebmcmaster@gmail.com, kalebmcmaster@gmail.com

HALFEN, Alan F.¹, JOHNSON, William C.¹, HANSON, Paul², SPENCER, Joel Q.G.³ and YOUNG, Aaron R.⁴, (1)Dept. of Geography, University of Kansas, 1475 Jayhawk Blvd, Rm. 213, Lawrence, KS 66045, (2)Conservation and Survey Division, School of Natural Resources, University of Nebraska, 612 Hardin Hall, Lincoln, NE 68588-0517, (3)Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506-3201, (4)School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583-0996, afhalfen@ku.edu, afhalfen@ku.edu

BOWEN, Mark W., Geography and Urban Planning, University of Wisconsin Oshkosh, 800 Algoma Blvd, Geography Dept, Oshkosh, WI 54901 and JOHNSON, William C., Dept. of Geography, University of Kansas, 1475 Jayhawk Blvd, Rm. 213, Lawrence, KS 66045, bowenm@uwosh.edu, bowenm@uwosh.edu

PUTA, Rebecca A., School of Natural Resources, University of Nebraska - Lincoln, 244 Hardin Hall - Section 49, 3310 Holdrege St, Lincoln, NE 68583, rputa@huskers.unl.edu, rputa@huskers.unl.edu

IRVINE, Zachary, Earth Sciences, University of South Dakota, 414 E Clark St, Vermillion, SD 57069, SWEENEY, Mark R., Earth Sciences, University of South Dakota, 414 E. Clark Street, Vermillion, SD 57069 and MASON, Joseph A., Department of Geography, University of Wisconsin-Madison, 550 N. Park St, 160 Science Hall, Madison, WI 53706, Zachary.Irvine@usd.edu, Zachary.Irvine@usd.edu

GOLDSTEIN, Harland L.¹, REHEIS, Marith C.¹, MILLER, Mark E.², REYNOLDS, Richard L.¹, FORMAN, Steven L.³, BELNAP, Jayne⁴ and YOUNT, James C.¹, (1)United States Geological Survey, Denver Federal Center, MS-980, Denver, CO 80225, (2)National Park Service, Moab, UT 84532, (3)Earth and Environmental Sciences, University of Illinois at Chicago, 845 W. Taylor Street, Chicago, IL 60607, (4)United States Geological Survey, 2290 S. Resource Blvd, Moab, UT 84532, hgoldstein@usgs.gov, hgoldstein@usgs.gov

BALLANTINE, John-Andrew¹, BOGLE, Rian², GOLDSTEIN, Harland L.³, REYNOLDS, Richard L.³, REHEIS, Marith C.³, VOGEL, John², WHITNEY, John W.³, KING, James⁴ and YOUNT, James C.³, (1)University of Connecticut, Department of Geography, Storrs, CT 06269-4148, (2)U.S. Geological Survey, 2255 N. Gemini Dr, Flagstaff, AZ 86001, (3)United States Geological Survey, Denver Federal Center, MS-980, Denver, CO 80225, (4)Division of Atmospheric Sciences, Desert Research Institute, 755 E. Flamingo Rd, Las Vegas, NV 89119, andy.ballantine@uconn.edu, andy.ballantine@uconn.edu

WHITNEY, J.W., U.S. Geological Survey, Federal Center MS 980, Denver, CO 80225, FORMAN, S.L., Earth & Env.l Sciences, Univ of Illinois@Chicago, Chicago, 60607, REHEIS, M.C., U.S. Geol. Survey, MS 980, Federal Center, Denver, CO 80225 and GOLDSTEIN, H.L., United States Geological Survey, Denver Federal Center, MS-980, Denver, CO 80225, jwhitney@usgs.gov, jwhitney@usgs.gov

LOOPE, David B., Department of Earth & Atmospheric Sciences, Lincoln, NE 68588 and ELDER, James F., 101 Smirle Ave, Ottawa, ON KlY0S4, Canada, dloope1@unl.edu, dloope1@unl.edu

TRIPLEHORN, Don M., Dept. of Geology and Geophysics, University of Alaska, Fairbanks, AK 99708, dmtriplehorn@alaska.edu, dmtriplehorn@alaska.edu

PALCHAN, Daniel, Institute of Earth Sciences, Hebrew Univesity, Givat Ram, Jerusalem, 91904, STEIN, Moti, Geological Survey of Israel, 30 Malkhe Israel St, Jerusalem, 95501, ALMOGI-LABIN, Ahuva, Geological Survey of Israel, 30 Malkei Yisrael St, Jerusalme, 95501, Israel, EREL, Yigal, The Fredy and Nadine Herrmann Institute of Earth Sciences, Hebrew University, Givat Ram, Jerusalem, 91904, Israel and GOLDSTEIN, Steven L., Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, pdanielos@gmail.com, pdanielos@gmail.com