KOHFELD, Karen E., Simon Fraser University, School of Resource and Environmental Management, Vancouver, BC V5A1S6, Canada, kohfeld@sfu.ca, kohfeld@sfu.ca

LANCASTER, Nick, Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, nick@dri.edu, nick@dri.edu

WOLFE, Stephen A., Geological Survey of Canada, Terrain Sciences Division, 601 Booth St, Ottawa, ON K1A 0E8, Canada, LIAN, Olav, Department of Geography, University of the Fraser Valley, 33844 King Road, Abbotsford, BC V2S 7M8, HUGENHOLTZ, Christopher H., Department of Geography, Unviersity of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4, Canada, BENDER, Darren J., Department of Geography, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada and CULLEN, Justine R., Geography, University of the Fraser Valley, 33844 King Rd, Abbotsford, BC V2S 7M8, Canada, swolfe@nrcan.gc.ca, swolfe@nrcan.gc.ca

SWEENEY, Mark R., Earth Sciences, University of South Dakota, 414 E. Clark Street, Vermillion, SD 57069, MCDONALD, Eric, Division of Earth & Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, HANSON, Paul R., School of Natural Resources, University of Nebraska-Lincoln, 3310 Holdrege Street, Lincoln, NE 68583 and YOUNG, Aaron R., School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583-0996, Mark.Sweeney@usd.edu, Mark.Sweeney@usd.edu

REDSTEER, Margaret Hiza¹, BOGLE, Rian², VOGEL, John², BLOCK, Debra², VELASCO, Miguel² and MIDDLETON, Barry², (1)U S Geological Survey, Flagstaff, AZ 86001, (2)U.S. Geological Survey, 2255 N. Gemini Dr, Flagstaff, AZ 86001, mhiza@usgs.gov, mhiza@usgs.gov

SCHEIDT, Stephen P., Center for Earth and Planetary Studies, Smithsonian Institution, Washington, DC 20013, LANCASTER, Nick, Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512 and RAMSEY, Michael S., Department of Geology and Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260, sscheidt77@gmail.com, sscheidt77@gmail.com

KENNEDY, Stephen K., RJ Lee Group, 350 Hochberg Road, Monroeville, PA 15146, SCHEIDT, Stephen P., Center for Earth and Planetary Studies, Smithsonian Institution, Washington, DC 20013 and LANCASTER, Nick, Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, skennedy@rjlg.com, skennedy@rjlg.com

MASON, Joseph A., Department of Geography, University of Wisconsin-Madison, 550 N. Park St, 160 Science Hall, Madison, WI 53706, SWINEHART, James B., School of Natural Resources, University of Nebraska-Lincoln, 607 Hardin Hall, Lincoln, NE 68583-0996, HANSON, Paul R., School of Natural Resources, University of Nebraska-Lincoln, 3310 Holdrege Street, Lincoln, NE 68583, LOOPE, David B., Department of Earth & Atmospheric Sciences, Lincoln, NE 68588, GOBLE, Ronald J., Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588 and MIAO, Xiaodong, Illinois State Geological Survey, University of Illinois at Champaign-Urbana, 615 E Peabody Dr, Champaign, IL 61821, mason@geography.wisc.edu, mason@geography.wisc.edu

HALFEN, Alan F.¹, JOHNSON, William C.¹, HANSON, Paul², WOODBURN, Terri L.¹ and YOUNG, Aaron R.³, (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)School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583-0996, afhalfen@ku.edu, afhalfen@ku.edu

JOECKEL, R.M.¹, DILLON, J.S.², HANSON, P.R.³, HOWARD, L.M.⁴ and KUZILA, M.S.³, (1)CSD, School of Natural Resources and Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583-0996, (2)Department of Geography, University of Nebraska at Kearney, Kearney, NE 68849-5130, (3)CSD, School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583-0996, (4)CSD, School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583-0982, rjoeckel3@unl.edu, rjoeckel3@unl.edu

LUEHMANN, Michael D., Geography, Michigan State University, 1B Geography Bldg, East Lansing, MI 48824, HOBBS, Trevor, Huron-Manistee National Forest, GeoCorps Participant, 1755 S. Mitchell St, Cadillac, MI 49601 and SCHAETZL, Randall J., Geography, Michigan State University, 128 Geography Bldg, East Lansing, MI 48824, luehmann@msu.edu, luehmann@msu.edu

YANG, Xiaoping, Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Bei Tu Cheng Xi Lu 19, Beijing, 100029, China, xpyang@mail.igcas.ac.cn, xpyang@mail.igcas.ac.cn