MINEAR, J. Toby and WRIGHT, Scott, U.S.G.S, 6000 J. St., Placer Hall, Sacramento, CA 95819, jminear@usgs.gov

PLANK, Carolyn, Geology, University of Maryland College Park, College Park, MD 20742, caplank@umd.edu and PRESTEGAARD, Karen L., Geology, University of Maryland, College Park, MD 20742

WALKER, Laurel A., BEMIS, Sean P., and DEVORE, Joshua R., University of Kentucy, Earth and Environmental Sciences, Lexington, KY 40506, lawa234@g.uky.edu

CORBETT, Lee B.¹, BIERMAN, Paul R.¹, and ROOD, Dylan H.², (1) Department of Geology, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, lbcorbett@gmail.com, (2) AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom

BRAKENRIDGE, G. Robert, Csdms Instaar, University of Colorado, Campus Box 450, Boulder, CO 80309-0450 and SYVITSKI, James, Geological Sciences, University of Colorado, Boulder, 80305, james.syvitski@colorado.edu

LOOPE, David B.¹, KETTLER, Richard M.¹, WEBER, Karrie A.², and AL KUISI, Mustafa³, (1) Earth & Atmospheric Sciences, University of Nebraska, Lincoln, NE 68588-0340, dloope1@unl.edu, (2) Department of Earth & Atmospheric Sciences and School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE 68588-0340, (3) Department of Applied Geology and Environment, University of Jordan, PO Box 13437, Amman, 11942, Jordan

GHONEIM, Eman¹, MASHALY, Jehan¹, and GAMBLE, Douglas W.², (1) Department of Geography and Geology, University of North Carolina, Wilmington, 601 S. College Rd, Wilmington, NC 28403, ghoneime@uncw.edu, (2) Department of Geography and Geology, Univ of North Carolina at Wilmington, 601 S. College Rd, Wilmington, NC 28401

BENONI, Justin, Citizen Scientist, P.O. Box 21454, Boulder, CO 80308 and PETTIT, John T., Citizen Scientist, 20231 Maxwell Dr, Morrison, CO 80465, johnpettit90@gmail.com

THOMAS, Paul¹, JEWELL, Paul¹, and NICOLL, Kathleen², (1) Dept. of Geology and Geophysics, Univ. of Utah, Salt Lake City, UT 84112, Paul.Thomas@Utah.edu, (2) University of Utah, 260 South Central Campus Dr, Salt Lake City, UT 84105

CHAMORRO, Aniela, High Alpine and Arctic Research Program (HAARP), Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843, anielachamorro@gmail.com, GIARDINO, John R., High Alpine and Arctic Research Program (HAARP), Department of Geology and Geophysics and Water Management and Hydrological Sci, Texas A&M University, College Station, TX 77843-3115, and VITEK, John D., Department of Geology & Geophysics, Water Management & Hydrological Science Program, and High Alpine & Arctic Research Program, College Station, TX 77843

MILHOUS, Robert T., Retried U.S.Geological Survey, 1812 Marlborough Court, Fort Collins, CO 80526, r.milhous@att.net

NELSON, Daren T., Geology and Geophysics, University of Utah, Frederick Albert Sutton Building, 115 S 1460 E Room 383, Salt Lake City, UT 84112, dtn.bonneville@gmail.com and JEWELL, Paul, Dept. of Geology and Geophysics, Univ. of Utah, Salt Lake City, UT 84112

VAN WINKLE, R. Scott, Department of Geology & Geophysics, High Alpine and Arctic Research Program (HAARP), Texas A&M University, College Station, TX 77843, scottvanwinkle@tamu.edu and GIARDINO, John R., High Alpine and Arctic Research Program (HAARP), Department of Geology and Geophysics and Water Management and Hydrological Sci, Texas A&M University, College Station, TX 77843-3115

LUEHMANN, Michael D.¹, SCHAETZL, Randall¹, LUSCH, David¹, LARSON, Grahame², KINCARE, Kevin A.³, and ARBOGAST, Alan F.¹, (1) Department of Geography, Michigan State University, 673 Auditorium Road, East Lansing, MI 48824, luehmann@msu.edu, (2) Department of Geological Sciences, Michigan State University, 288 Farm Lane, East Lansing, MI 48824, (3) U.S. Geological Survey, 12201 Sunrise Valley Dr, Reston, VA 20192

SHOBE, Charles M., Department of Geology, College of William and Mary, Williamsburg, VA 23187, cmshobe@email.wm.edu, HANCOCK, Gregory S., Department of Geology, College of William & Mary, Williamsburg, VA 23187, and SMALL, Eric E., Department of Geological Sciences, University of Colorado at Boulder, Boulder, CO 80309

CADOL, Daniel, Earth and Environmental Science, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87107, dcadol@nmt.edu and DAVID, Gabrielle C. L., Earth and Environmental Science, Boston College, Devlin Hall 213, 140 Commonwealth Avenue, Chestnut Hill, MA 02467

O'NEAL, Michael, Department of Geological Sciences, University of Delaware, Newark, DE 19716, michael@udel.edu, HANSON, Brian, Geography, University of Delaware, 125 Academy Street, Newark, DE 19716, and EVENSON, Edward, Earth and Environmental Sciences, Lehigh University, Bethlehem, PA 18015

YATES, Marla K., Department of Geology and Geography, West Virginia University, PO Box 6300, Morgantown, WV 26506-6300, marlakyates@gmail.com and KITE, J. Steven, Geology and Geography, West Virginia University, P. O. Box 6300, Morgantown, WV 26506-6300

DRESSELHAUS, Ethan D., Dept of Geology & Physics, University of Southern Indiana, 8600 University Blvd, Evansville, IN 47712, uselesslyuseful@yahoo.com and DURBIN, James M., Department of Geology and Physics, University of Southern Indiana, 8600 University Blvd, Evansville, IN 47712

BROCK-HON, Amy L., Department of Physics, Geology and Astronomy, University of Tennessee at Chattanooga, 615 McCallie Avenue, Chattanooga, TN 37403, amy-brock-hon@utc.edu

LYONS, Nathan J.¹, WEGMANN, Karl W.¹, GOSSE, John C.², and BAYASGALAN, Gantulga¹, (1) Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Campus Box 8208, Raleigh, NC 27695, nathan.j.lyons@gmail.com, (2) Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada

CASTILLO, Chris M., Geophysics, Stanford University, 397 Panama Mall, Mitchell Building 360, Stanford, CA 94305, cmc714@stanford.edu, KLEMPERER, Simon, Department of Geophysics, Stanford Univ, Mitchell Earth Sciences Building, 397 Panama Mall, Stanford, CA 94305, and FRANCIS, Robert D., Department of Geological Sciences, California State Univ Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840

KRUEGER, Kelsey, JOHNSON, Bradley G., and SCHMIDT, Catherine, Environmental Studies, Davidson College, Box 7056, Davidson, NC 28035-7056, bgjohnson@davidson.edu

DAEHNE, Alexander, Department of Geosciences, University of Missouri-Kansas City, 5110 Rockhill Road, Flarsheim Hall 420, Kansas City, MO 64110, daehnea@umkc.edu, YÖNLÜ, Önder, Eskişehir Osmangazi University, Department of Geological Engineering, Eskişehir, 26480, Turkey, and NIEMI, Tina M., Department of Geosciences, University of Missouri - Kansas City, 5110 Rockhill Road, Flarsheim Hall 420, Kansas City, MO 64110

VENATOR, Sarah C.¹, KARPILO, Ronald D. Jr², BURGER, Paul A.¹, SCHIROKAUER, David W.³, THIBAULT, Theresa A.⁴, GURCKE, Karl⁴, and ADEMA, Guy W.¹, (1) National Park Service, Alaska Regional Office, 240 W. 5th Ave, Anchorage, AK 99501, (2) Dept. of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, ron_karpilo@partner.nps.gov, (3) National Park Service, Denali National Park and Preserve, PO Box 9, Denali Park, AK 99755, (4) National Park Service, Klondike Gold Rush National Historic Park, PO Box 517, Skagway, AK 99840

WNUK, Kendall¹, HARBOR, David J.¹, RAHL, Jeffrey M.², and BIEMILLER, James², (1) Department of Geology, Washington and Lee University, Lexington, VA 24450, wnukk14@mail.wlu.edu, (2) Department of Geology, Washington and Lee University, Lexington, VA 24450

ENGEL, Eric N., Geology, Mercyhurst University, Erie, PA 16546, eengel06@lakers.mercyhurst.edu and PERSICO, Lyman P., Geology Department, Mercyhurst University, Erie, PA 16546

JOL, Harry M., Department of Geography and Anthropology, University of Wisconsin-Eau Claire, Eau Claire, WI 54702, jolhm@uwec.edu, LOOPE, Walter L., United States Geological Survey, N8391 Sand Point Road, P.O. Box 40, Munising, MI 49862, JOHNSTON, John W., Department of Geography, University of Toronto Mississauga, 3359 Mississauga Road N, South Building, Mississauga, ON L5L 1C6, Canada, BRECKENRIDGE, Andy J., Department of Natural Sciences, University of Wisconsin - Superior, Belknap and Catlin, P.O. Box 2000, Superior, WI 54880, LOOPE, Henry M., Department of Geography, University of Wisconsin-Madison, 550 N. Park St, 160 Science Hall, Madison, WI 53706, MORRISON, Sean M., Department of Geography and Anthropology, University of Wisconsin-Eau Claire, 105 Garfield Avenue, Eau Claire, WI 54701, and JOL, Connor E., Roosevelt Elementary School, Eau Claire, WI 54703

AGRIOS, Liana¹, LOUBRIEL, Miguel², ZERBO, Salvatore III³, POPE, Gregory A.⁴, GALSTER, Joshua C.⁴, and WU, Meiyin S.⁵, (1) Dept. of Geology and Environmental Geosciences, Lafayette College, Easton, PA 18042, lagrios.la@gmail.com, (2) Dept. of Geology, University of Puerto Rico - Mayaguez, Mayaguez, PR 00681, (3) Dept. of Earth & Environmental Studies, Montclair State University, Mallory Hall 252, Montclair St. Univ, Montclair, NJ 07869, (4) Earth & Environmental Studies, Montclair State University, 1 Normal Ave, Mallory Hall, Montclair, NJ 07043, (5) Biology and Molecular Biology, Montclair State University, 1 Normal Avenue, Montclair, NJ 07043

THIBODEAUX-YOST, Singleton, Earth and Environmental Sciences, California State University, 2576 E. San Ramon Ave, M/S ST24, Fresno, CA 93740, sthibodeauxyost@gmail.com, WEINMAN, Beth, California State University, Fresno, Earth and Environmental Sciences, 2576 East San Ramon Ave. M/S ST24, Fresno, CA 93740, VYVERBERG, Kris A., California Department of Fish and Wildlife, 1416 Ninth St, Sacramento, CA 95814, and BRADY, Roland H. III, Brady and Associates Geological Services, 1730 F St, Sacramento, CA 95811

LARSON, Phillip Herman¹, DORN, Ronald I.², and KELLEY, Scott B.², (1) Department of Geography, Minnesota State University, 7 Armstrong Hall, Mankato, MN 56001, phillip.larson@mnsu.edu, (2) School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ 85287

CEPEDA, Joseph C., Department of Life, Earth and Environmental Sciences, West Texas A&M Univ, PO Box 60162, Canyon, TX 79016-0001, jcepeda@mail.wtamu.edu

OUCHI, Shunji, College of Sci and Engineering, Chuo Univ, 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551 Japan, souchi@kc.chuo-u.ac.jp

WAMPLER, David F., Department of Earth Science, University of California, Santa Barbara, 1006 Webb Hall, Santa Barbara, CA 93106, dfw@umail.ucsb.edu and KELLER, E.A., Department of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106

HUPP, Cliff R.¹, SCHENK, Edward R.¹, KROES, Daniel E.², and WILLARD, Debra A.³, (1) U.S. Geological Survey, 430 National Center, Reston, VA 20192, crhupp@usgs.gov, (2) U.S. Geological Survey, Louisiana Water Science Center, Baton Rouge, LA 70816, (3) United States Geological Survey, 926A National Center, 12201 Sunrise Valley Drive, Reston, VA 20192

KRAMER, Natalie, Geosciences, Colorado State University, Campus Delivery 1482, Fort Collins, CO 80521, n.kramer.anderson@gmail.com

LIVERS, Bridget, Department of Geosciences, Colorado State University, 220 E. Laurel St, Apt. 15, Fort Collins, CO 80524, bridgetlivers@gmail.com

JACKSON, Karen J., Department of Geosciences, Colorado State University, Fort Collins, CO 80521, karen.jackson.j@gmail.com

GARCIA, Jessica M., High Alpine and Arctic Research Program (HAARP), Department of Geology and Geophysics, Texas A&M Univeristy, College Station, TX 77802, ksjmg49@yahoo.com, GIARDINO, John R., High Alpine and Arctic Research Program (HAARP), Department of Geology and Geophysics and Water Management and Hydrological Sci, Texas A&M University, College Station, TX 77843-3115, and VITEK, John D., Department of Geology & Geophysics, Water Management & Hydrological Science Program, and High Alpine & Arctic Research Program, College Station, TX 77843

VAL, Pedro F. A.¹, SILVA, CL², HARBOR, David J.³, MORALES, Norberto⁴, MAIA, T.T.², and AMARAL, F.R.², (1) Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse University, Syracuse, NY 13244, pfval@syr.edu, (2) Departamento de Geologia, Universidade Federal do Amazonas, Manaus, 69077-000, Brazil, (3) Department of Geology, Washington and Lee University, Lexington, VA 24450, (4) Departamento de Geologia, Universidade Estadual de São Paulo, Rio Claro, 13506-900

LAUREL, DeAnna J., Dept of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, dpatter85@gmail.com and WOHL, Ellen E., Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482