WIREMAN, Mike, US EPA Rgion 8, 274 Granite Drive, Boulder, CO 80302 and WILLIAMS, Mark W., Geography Department and INSTAAR, University of Colorado, 1560 30th, Campus Box 450, Boulder, CO 80309, wireman.mike@epa.gov, wireman.mike@epa.gov

GRAVES, Jeffrey T., Colorado Division of Reclamation, Mining and Safety, 1313 Sherman St., #215, Denver, CO 80203, jeff.graves@state.co.us, jeff.graves@state.co.us

VERPLANCK, Philip L., U.S. Geolological Survey, Denver Federal Center, P.O. Box 25046, MS 973, Denver, CO 80225, MANNING, Andrew H., U.S. Geological Survey, P.O. Box 25046, Mail Stop 973, Denver, CO 80225-0046, MAST, M. Alisa, U.S. Geological Survey, Denver Federal Center, MS 415, Denver, CO 80225, GRAVES, Jeffrey T., Colorado Division of Mining, Reclamation, and Safety, 1313 Sherman St., #215, Denver, CO 80203 and PRIBIL, Michael, U.S. Geological Survey, Denver Federal Center, M.S. 973, Denver, CO 80225-0046, plv@usgs.gov, plv@usgs.gov

SZYNKIEWICZ, Anna, Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 73996 and BORROK, David M., School of Geosciences, University of Louisiana at Lafayette, Lafayette, LA 70504, aszynkie@utk.edu, aszynkie@utk.edu

GAMMONS, Christopher H., Geological Engineering, Montana Tech, Butte, MT 59701, BROWN, Allison N., Geological Engineering, Montana Tech of The University of Montana, 1300 West Park Street, Butte, MT 59701 and POULSON, Simon, Geological Sciences and Engineering, University of Nevada-Reno, MS 172, Reno, NV 89557-0138, cgammons@mtech.edu, cgammons@mtech.edu

TURNER, Benjamin F. and SNEDDEN, Joshua J., DuBois Campus, Pennsylvania State University, College Place, DuBois, PA 15801, bft1@psu.edu, bft1@psu.edu

HUDSON, Amy L., Tetra Tech, Inc, One Monarch Drive, Suite 101, Littleton, MA 01460, amy.hudson@tetratech.com, amy.hudson@tetratech.com

ANDRE, Benjamin J.¹, RAJARAM, Harihar² and SILVERSTEIN, Joann², (1)Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, MS 90-1116, Berkeley, CA 94720, (2)Department of Civil, Environmental, and Architectural Engineering, University of Colorado at Boulder, Engineering Center ECOT 441, UCB 428, Boulder, CO 80309, bandre@lbl.gov, bandre@lbl.gov

WALTON-DAY, Katie, U.S. Geological Survey, Box 25046, MS415, Denver Federal Center, Denver, CO 80225, GRENARD, Daniel, Bureau of Land Management, Royal Gorge Field Office, 3028 E. Main St, Canon City, CO 81212, DEE, Kato T., Natural Resources Management, Colorado Mountain College, 901 S. Highway 24, Leadville, CO 80461 and AMUNDSON Jr, Adolph L., Colorado Division of Reclamation, Mining, and Safety, 1313 Sherman St, Room 215, Denver, CO 80203, kwaltond@usgs.gov, kwaltond@usgs.gov

CHAPIN, Thomas P., U.S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, Box 25406, MS 964D, Denver Federal Center, Denver, CO 80225 and TODD, Andrew S., U.S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225-0046, tchapin@usgs.gov, tchapin@usgs.gov

ARMSTRONG, Trent¹, HEATH, Gail H.², SCOTT, Clark² and SMITH, Casey², (1)Idaho National Lab, University of Idaho, P.O. Box 1625, MS 1625, Idaho Falls, ID 83415, (2)Idaho National Lab, P.O. Box 1625, MS 1625, Idaho Falls, ID 83415, trent.armstrong@inl.gov, trent.armstrong@inl.gov