KIRBY, Carl S., Geology Dept, Bucknell University, Lewisburg, PA 17837, kirby@bucknell.edu, KISSOCK, Kyle, Dept. of Geology, Bucknell University, 7th Street, 225 O'Leary, Lewisburg, PA 17837, DIETZ, Jon, Dietz-Gourley Consulting, LLC, 1215 Deerfield Drive, State College, PA 16803, MEANS, Steven, PA Department of Environmental Protection, 208 West Third Street, Williamsport, PA 17701, and CELNIKER, Rachel, Geology, Bucknell University, Lewisburg, PA 17837

ZEIGLER, Kate E.¹, PODZEMNY, Barbara², PEACOCK, Gregory¹, YUHAS, Andrew³, WILLIAMS, Shannon¹, and YUHAS, Elizabeth¹, (1) Zeigler Geologic Consulting, LLC, 13170 Central Ave SE, Suite B #137, Albuquerque, NM 87123, zeiglergeo@gmail.com, (2) Northeastern Soil and Water Conservation District, Clayton, NM 88415, (3) Yuhas Geoinformatics, Albuquerque, NM 87112

BURES, Gordon, Frac Rite Environmental Ltd, #2, 4416 - 5th Street N.E, Calgary, AB T2E7C3, Canada, gbures@fracrite.ca and FLOOD, Barry, RemedX Remediation Services Inc, 305, 1550 - 5th Street SW, Calgary, AB T2R1K3, Canada

WISE, Julia Linnaea, Department of Geology, University of Cincinnati, 500 Geology/Physics Building, Cincinnati, OH 45221-0013, wiseju@mail.uc.edu, DIEFENDORF, Aaron F., Department of Geology, University of Cincinnati, PO Box 210013, Cincinnati, OH 45221-0013, and VAUGHN, L., College of Medicine, Cincininati Children's Hospital Medical Center, Cincinnati, OH 45221

HARRIS, Richard F., National Public Radio, 1111 North Capitol St. NW, Washington, DC 20002, rharris@npr.org

DAVIS, R. Laurence, Biology and Environmental Sciences, University of New Haven, 300 Boston Post Rd, West Haven, CT 06516, rldavis@newhaven.edu and ROBINSON, Matthew C., National Park Service, 252 McDowell Street, PO Box 50, Harpers Ferry, WV 25425

CONWAY, Michael¹, ALLISON, M. Lee², MATTI, Jordan², and PALMER, Ron¹, (1) Arizona Geological Survey, 416 W Congress St, #100, Tucson, AZ 85701, (2) Arizona Geological Survey, 416 W. Congress, #100, Tucson, AZ 85701-1381, lee.allison@azgs.az.gov

SCHIFFRIES, Craig M., Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Road, NW, Washington, DC 20015, cschiffries@ciw.edu

FIELD, John, Field Geology Services, P.O. Box 985, Farmington, ME 04938, jfield@field-geology.com, MACCARTNEY, James M., Trout Unlimited, 54 Portsmouth St, Concord, NH 03301, and MAGEE, John A., New Hampshire Fish and Game Department, 11 Hazen Drive, Concord, NH 03301

HIGGINS, Chris T.¹, CHURCHILL, Ronald K.², CLINKENBEARD, John P.², and FONSECA, Milton C.², (1) California Geological Survey, 801 K Street, MS 12-31, Sacramento, CA 95814, Chris.Higgins@conservation.ca.gov, (2) California Geological Survey, Sacramento, CA 95814