GRIMLEY, David, PHILLIPS, Andrew and CURRY, Ben, Illinois State Geological Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 615 E Peabody Dr., Champaign, IL 61820
SULTANA, Rakiba1, HOSS, Kendyl1, MEURER, Cullen1, HATAMI, Jiyan1, JOHNSON, Raymond2, TIGAR, Aaron3 and PARADIS, Charles1, (1)Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, (2)Navarro Research and Engineering, Inc., 2597 Legacy Way, Grand Junction, CO 81503, (3)RSI EnTech, LLC, 2597 Legacy Way, Grand Junction, CO 81503
GUTIERREZ, Melida, Missouri State UniversityGeology, 901 S National Ave, Springfield, MO 65897-0027 and ALARCON-HERRERA, Maria Teresa, Environmental Engineering, Centro de Investigación en Materiales Avanzados, Durango, Calle CIMAV 110, Ejido Arroyo Seco, Colonia 15 de Mayo, Durango, 34147, Mexico
TOMLINSON, Zachary, DEE, Kato and ELWOOD MADDEN, Andrew S., School of Geosciences, University of Oklahoma, 100 East Boyd Street, RM 710, Norman, OK 73019
KRUEGER, Meghan, Department of Geology, University of Wisconsin-Oshkosh, Fox Cities Campus, 1478 Midway Rd., Menasha, WI 54952, FREDERICKSON, Joseph, Weis Earth Science Museum, University of Wisconsin-Oshkosh - Fox Valley Campus, 1478 Midway Rd, Menasha, WI 54952 and JOHNSON, Beth A., University of Wisconsin–Oshkosh, Fox Cities Campus, 1478 Midway Rd., Menasha, WI 54952
MAYNARD, James Barry, Department of Geology, University of Cincinnati, Portland, OR 97212 and POTTER, Paul Edwin, Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013