SOLLER, David R.¹, GARRITY, Christopher P.², WARDWELL, Robert C.³, and STAMM, Nancy R.¹, (1) U.S. Geological Survey, 926-A National Center, Reston, VA 20192, drsoller@usgs.gov, (2) U.S. Geological Survey, 12201 Sunrise Valley Drive, MS 950 National Center, Reston, VA 20192, (3) U.S. Geological Survey, U.S. Geological Survey, 1300 SE Cardinal Ct. Building 10, Suite 100, Vancouver, WA 98683

SHOBERG, Tom, Cegis, U. S. Geological Survey, 1400 Independence Road, Rolla, MO 65401, tshoberg@usgs.gov

BERG, Richard C., Illinois State Geological Survey, 615 East Peabody Drive, Champaign, IL 61820, rberg@illinois.edu, MCKAY, E. Donald III, Illinois State Geological Survey, 615 E. Peabody Dr, Champaign, IL 61820, and STIFF, Barbara J., Illinois State Geological Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820

THOMASON, Jason F., Illinois State Geological Survey, University of Illinois Urbana-Champaign, 615 E. Peabody Dr, Champaign, IL 61820, thomason@isgs.uiuc.edu

LIGGETT, Jessica E.¹, ATKINSON, Lisa A.², HARTMAN, Gregory¹, and NAKEVSKA, Nevenka¹, (1) Alberta Energy Regulator - Alberta Geological Survey, 402 Twin Atria Building, 4999-98 Ave, Edmonton, AB T6B2X3, Canada, jessica.liggett@aer.ca, (2) Alberta Geology Survey, Alberta Energy Regulator, 4999-98 Avenue, Edmonton, AB T6B 2X3, Canada

EASTON, R.M., Ontario Geological Survey, Earth Resources and Geoscience Mapping Section, B7064, 933 Ramsey Lake Road, Sudbury, ON P3E 6B5 Canada, mike.easton@ontario.ca

HALL, Brian V., BEHNAM, Behroz, JAKUBOWSKI, Wojtek, VILA-SÁNCHEZ, Alberto R., DÍAZ-MARTÍNEZ, Roberto, and GORZYNSKI, Geroge A., IMPACT Silver Corp, 1100-543 Granville Street, Vancouver, BC V6C 1X8, Canada, bvhbowen@intergate.ca

EVANS, Kevin Ray¹, BASSETT, Damon J.¹, MICKUS, Kevin L.¹, CAUTHON, Matthew J.¹, ELSON, Joshua D.¹, LARSON, Mark Oscar², and NEWBOLD, Kevin S.¹, (1) Department of Geography, Geology, and Planning, Missouri State University, 901 S. National Avenue, Springfield, MO 65897, kevinevans@missouristate.edu, (2) Department of Geology, University of Maryland, 237 Regents Drive, College Park, MD 20742

HARSTAD, Rylleigh P., Earth and Space Sciences, Columbus State University, 4225 University Avenue, Columbus, GA 31907, harstad_rylleigh@columbusstate.edu and BARINEAU, Clinton I., Earth and Space Sciences, Columbus State University, 4225 University Avenue, Columbus, GA 31907-5645

YON, Jeffry C.E., Physical Science, Southern Utah University, 1888 North Wedgewood Lane #201, Cedar City, UT 84721, jeffry.yon@gmail.com, CHIPMAN, Jefferson, Physical Science, Southern Utah University, 673 West 400 North, Apt 2, Cedar City, UT 84721, and HARGRAVE, Jennifer E., Physical Science, Southern Utah University, Cedar City, UT 84720

PHILLIPS, William M., Idaho Geological Survey, University of Idaho, 875 Perimeter Dr MS 3014, Moscow, ID 83844-3014, phillips@uidaho.edu, STANFORD, Loudon R., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS 3014, Moscow, ID 83844-3014, and SZYMANOWSKI, Dawid, Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zürich, 8092, Switzerland

PUTNAM, Roger L., Department of Earth Science, Columbia College, Sonora, CA 95370, roger.putnam.3@gmail.com, STOCK, Greg M., National Park Service, Yosemite National Park, El Portal, CA 95318, MATASCI, Battista, University of Lausanne, Center for Research on Terrestrial Environnement, Lausanne, 1000-1018, Switzerland, and GLAZNER, Allen F., Geological Sciences, University of North Carolina, Chapel Hill, NC 27599-3315

MEINZER, Evan Randolph, Geology, Illinois State University, Campus Box 4400, Illinois State University, Normal, IL 61761-4400, ermeinz@ilstu.edu, MALONE, David H., Department of Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61761, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400

SUGANO, Laura Lynn, Geology, Illinois State University, Campus Box 4400, Illinois State University, Normal, IL 61790-4400, llsugan@ilstu.edu, MALONE, David, Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61790-4400, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400

OLSON, Raymond T., Geography-Geology, Illinois State University, 5650 Trinity Ct, Gurnee, IL 60031, rtolson@ilstu.edu, MALONE, David H., Department of Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61761, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400

MURPHY, Caelan J., Geography/Geology, Illinois State University, 420 Richmond Lane, Crystal Lake, IL 60014, cjmurph@ilstu.edu, MALONE, David H., Department of Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61761, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400

FOOTE, James R., Geography-Geology, Illinois State University, 2n111 Prince Crossing Road, West Chicago, IL 60185, jrfoote@ilstu.edu, MALONE, David H., Department of Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61761, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400

DEASY, Ryan T.¹, WATHEN, Bryan¹, and WINTSCH, Robert P.², (1) Dept. of Geological Sciences, Indiana University, Bloomington, 1001 E. 10th St, Bloomington, IN 47405, rdeasy@indiana.edu, (2) Department of Geological Sciences, Indiana University, 1001 E. 10th Street, Bloomington, IN 47405

WEEDMAN, Nichole R., Geology, Illinois State University, Normal, IL 61761, nrweedm@ilstu.edu, MALONE, David, Geography-Geology, Illinois State Univ, Campus Box 4400, Normal, IL 61761-4400, and SHIELDS, William, Geography & Geology, Illinois State Unversity, Campus Box 4400, 206 Felmley Hall, Normal, IL 61790-4400