LEWIS, Gabriel, Dartmouth College Department of Earth Sciences, Fairchild Hall, Hanover, NH 03755, LEOPOLD, Matthias, Geomorphology and Soil Science, Technical University of Munich, Carl-von-Carlowitz-Platz 2, Freising-Weihenstephan, 85354, Germany and DETHIER, David P., Dept. Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267, gabelewis2004@gmail.com, gabelewis2004@gmail.com

KOLL, Rebecca A., Department of Biology, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611-7800 and POWER, Mitchell J., Department of Geography, Natural History Museum of Utah, University of Utah, Salt Lake City, UT 84112-9155, rebecca.koll@ufl.edu, rebecca.koll@ufl.edu

OSBORN, Gerald D., Geoscience, University of Calgary, Calgary, AB T2N 1N4, Canada and DAVIS, P. Thompson, Department of Natural & Applied Sciences, Bentley University, 175 Forest St, Waltham, MA 02452-4705, osborn@ucalgary.ca, osborn@ucalgary.ca

MARCOTT, Shaun A.¹, CLARK, Peter U.², SHAKUN, Jeremy D.³, HOSTETLER, Steven W.¹, BROOK, Edward J.¹, ALDER, Jay R.¹, BARTLEIN, Patrick J.⁴, NOVAK, Anthony M.¹, CAFFEE, Marc W.⁵ and DAVIS, P. Thompson⁶, (1)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (2)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331-5506, (3)Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, (4)Department of Geography, University of Oregon, 107 Condon Hall, Eugene, OR 97403-1251, (5)Department of Physics, Purdue University, West Lafayette, IN 47906, (6)Department of Natural & Applied Sciences, Bentley University, 175 Forest St, Waltham, MA 02452-4705, marcotts@geo.oregonstate.edu, marcotts@geo.oregonstate.edu

JOHNSON, Bradley G.¹, SMITH, Jacqueline A.², DIEMER, John A.³, CIRONE, Ashley M.², KRUEGER, Kelsey¹ and SCHMIDT, Catherine¹, (1)Environmental Studies, Davidson College, Box 7056, Davidson, NC 28035-7056, (2)Physical & Biological Sciences, The College of Saint Rose, 432 Western Avenue, Albany, NY 12203, (3)Department of Geography & Earth Sciences, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, NC 28223, bgjohnson@davidson.edu, bgjohnson@davidson.edu

PUTKONEN, Jaakko, Harold Hamm School of Geology and Geological Engineering, University of North Dakota, 81 Cornell St, STOP 8358, Grand Forks, ND 58202-8358, MADOFF, Risa, Geology and Geological Engineering, University of North Dakota, MS 8358, Grand Forks, ND 58202 and MORGAN, Daniel, Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, jaakko.putkonen@engr.und.edu, jaakko.putkonen@engr.und.edu

MORGAN, Daniel, Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235 and PUTKONEN, Jaakko, Harold Hamm School of Geology and Geological Engineering, University of North Dakota, 81 Cornell St, STOP 8358, Grand Forks, ND 58202-8358, dan.morgan@vanderbilt.edu, dan.morgan@vanderbilt.edu

TRANEL, Lisa M.¹, STROW, Meredith L.², LUEVANO, Jonathan A.² and SWANSON, Brad S.², (1)Department of Geography-Geology, Illinois State University, 100 N. University Street, Normal, IL 61790, (2)Geography-Geology Department, Illinois State University, Campus Box 4400, Normal, IL 61790-4400, ltranel@ilstu.edu, ltranel@ilstu.edu

HOOYER, Thomas S., Department of Geosciences, University of Wisconsin Milwaukee, P.O. Box 413, Lapham Hall 366, Milwaukee, WI 54201, COHEN, Denis, Geological and Atmospheric Sciences, Iowa State University, 253 Science 1, Ames, IA 50011 and IVERSON, Neal R., Geological and Atmospheric Sciences, Iowa State University, 253 Science Hall, Ames, IA 50011, hooyer@uwm.edu, hooyer@uwm.edu

TUNNICLIFFE, Jon, Department of Geography and Environmental Studies, Carleton University, B349 Loeb Building, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada and CHURCH, Michael, Department of Geography, The University of British Columbia, Vancouver, BC V6T 1Z2, Canada, jon_tunnicliffe@carleton.ca, jon_tunnicliffe@carleton.ca

IVERSON, Neal R.¹, HOOYER, Thomas S.², THOMASON, Jason F.³, MARCIULIONIS, Jacqueline R.⁴, ANKERSTJERNE, Suzanne⁵, VREELAND, Nicholas P.⁵ and GRAESCH, Matthew⁵, (1)Geological and Atmospheric Sciences, Iowa State University, 253 Science Hall, Ames, IA 50011, (2)Department of Geosciences, University of Wisconsin-Milwaukee, P.O. Box 413, Lapham Hall 366, Milwaukee, WI 53201, (3)Illinois State Geological Survey, University of Illinois Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820, (4)AECOM, 1035 Kepler Drive, Green Bay, WI 54311, (5)Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011, niverson@iastate.edu, niverson@iastate.edu