STEELE, Gregory V., U.S. Geological Survey, 5231 South 19th St, Lincoln, NE 68512, gvsteele@usgs.gov, GURDAK, Jason J., Department of Geosciences, San Francisco State University, 1600 Holloway Ave, San Francisco, CA 94132, and HOBZA, Christopher M., U.S. Geological Survey, Nebraska Water Science Center, 5231 South 19th Street, Lincoln, NE 68512

WELLMAN, Dawn M., Pacific Northwest National Laboratory, Richland, WA 99354, dawn.wellman@pnl.gov

LIU, Hui-Hai, Earth Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, hhliu@lbl.gov and BIRKHOLZER, Jens T., Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, MS 90-1116, Berkeley, CA 94720

MCNAMARA, James P. and EIRIKSSON, David, Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, jmcnamar@boisestate.edu

REMPE, Daniella M., Earth and Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720, daniella.rempe@berkeley.edu, SALVE, Rohit, Earth Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, OSHUN, Jasper, Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, and DIETRICH, William, Earth and Planetary Science, University of California at Berkeley, 307 McCone Hall, Berkeley, CA 94720

MAPLES, Stephen R.¹, ANDRASKI, Brian J.¹, STONESTROM, David A.², COOPER, Clay A.³, POHLL, Greg³, and MICHEL, Robert L.², (1) U.S. Geological Survey, 2730 N. Deer Run Road, Carson City, NV 89701, smaples@usgs.gov, (2) U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3) Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512

NIMMO, John R., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, jrnimmo@usgs.gov, MIRUS, Benjamin B., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94205-3561, and PERKINS, Kim S., U.S. Geological Survey, 345 Middlefield Rd, MS-420, Menlo Park, CA 94025

ZHU, Jianting, Department of Civil and Architectural Engineering, University of Wyoming, 1000 E. University Ave, Laramie, WY 82071, jzhu5@uwyo.edu

BROWNLOW, Joshua W.¹, BARBEE, Gary C.², and ROGERS, William J.², (1) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798, joshua_brownlow@baylor.edu, (2) Department of Life, Earth and Environmental Sciences, West Texas A&M University, 2501 4th Avenue, Canyon, TX 79016

DING, Mei¹, HARTL, Monika A.², XU, Hongwu³, HJELM, Rex³, WANG, Yifeng⁴, and JOVE-COLON, Carlos⁴, (1) EES-14 Group, Los Alamos National Lab, Los Alamos, NM 87545, mding@lanl.gov, (2) Los Alamos, NM 87545, (3) Los Alamos National Laboratory, Los Alamos, NM 87545, (4) P. O. Box, MS 0779, Sandia National Laboratories, Albuquerque, NM 87185-0779

ZHANG, Zhuanfang F., Earth Systems Science Division/Hydrology Group, Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA 99352, fred.zhang@pnnl.gov

TOKUNAGA, Tetsu K., Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, tktokunaga@lbl.gov