AMOROSO, Lee, Western Earth Surface Processes Team, U.S. Geological Survey, 2255 N. Gemini Drive, MS 7420, Flagstaff, AZ 86001, FELGER, Tracey J., US Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001 and WAN, Elmira, U.S. Geological Survey, 345 Middlefield Rd, MS-975, Menlo Park, CA 94025, lamoroso@usgs.gov, lamoroso@usgs.gov

BEARD, L. Sue, U.S. Geological Survey, 2255 N Gemini Dr, Flagstaff, AZ 86001-1637, YOUNG, Richard A., Geological Sciences, State University of New York at Geneseo, Geneseo, NY 14454 and FAULDS, James E., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, sbeard@usgs.gov, sbeard@usgs.gov

YOUNG, R.A.¹, HARTMAN, J.H.², CROW, Ryan³, PETERS, Lisa⁴, DICKINSON, William R.⁵ and GEHRELS, G.E.⁵, (1)Geological Sciences, SUNY, Geneseo, NY 14454, (2)Department of Geology and Geological Engineering, University of North Dakota, Grand Forks, ND 58202, (3)Department of Earth and Planetary Science, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (4)New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, (5)Department of Geosciences, University of Arizona, Tucson, AZ 85721, young@geneseo.edu, young@geneseo.edu

HARTMAN, J.H., Department of Geology and Geological Engineering, University of North Dakota, 81 Cornell St. Stop 8358, Grand Forks, ND 58202 and YOUNG, R.A., Geological Sciences, SUNY, Geneseo, NY 14454, joseph.hartman@und.edu, joseph.hartman@und.edu

MARCHETTI, David W., Geology Program, Western State Colorado University, 600 N. Adams St, Gunnison, CO 81231, HYNEK, Scott A., Geosciences, Penn State University, 302 Hosler Building, University Park, PA 16802 and CERLING, Thure E., Department of Geology and Geophysics, University of Utah, Geology & Geophysics Frederick Albert Sutton Building, 115 S 1460 E, Room 383, Salt Lake City, UT 84112, dmarchetti@western.edu, dmarchetti@western.edu

MARRA, Kristen R.¹, SOREGHAN, Gerilyn S.¹, SOREGHAN, Michael J.¹ and BALCO, Greg², (1)Geology and Geophysics, University of Oklahoma, 100 E Boyd St, Suite 710, Norman, OK 73019, (2)Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, kmarra@ou.edu, kmarra@ou.edu

NERESON, Alexander L., BROWN, Stephen W. and KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, anereson@unm.edu, anereson@unm.edu

COLE, Rex D., Physical and Environmental Sciences, Colorado Mesa University, 1100 North Ave, Grand Junction, CO 81501, HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796, KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131 and STORK, Allen, Geology Department, Western State Colorado University, Gunnison, CO 81231, rcole@coloradomesa.edu, rcole@coloradomesa.edu

ASLAN, Andres, Dept. of Physical and Environmental Sciences, Mesa State College, 1100 North Ave, Grand Junction, CO 81501, KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, KIRBY, Eric, Department of Geosciences, Penn State Univ, University Park, PA 16802, LAZEAR, Greg, Grand Junction Geological Society, 20508 Brimstone Rd, Cedaredge, CO 81413, OUIMET, William B., Geography, University of Connecticut, Beach Hall, Unit 2045, Storrs, CT 06269-4148, KELLEY, Shari, Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801-4796, DARLING, Andrew, Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131 and HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796, aaslan@mesastate.edu, aaslan@mesastate.edu

GARCIA, Rebecca V., Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, KELLEY, Shari A., New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM 87801 and HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801, rgarcia@nmt.edu, rgarcia@nmt.edu

CROW, Ryan Scott¹, KARLSTROM, Karl E.², ASMEROM, Yemane¹, SCHMANDT, Brandon³, POLYAK, Victor J.⁴ and DUFRANE, S. Andrew⁵, (1)Earth and Planetary Sciences, University of New Mexico, Northrop Hall, Albuquerque, NM 87131, (2)Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, (3)Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, (4)Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (5)Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2R3, rcrow@unm.edu, rcrow@unm.edu

KARLSTROM, Karl E.¹, DUEKER, Ken G.², ASTER, Richard C.³, MACCARTHY, Jonathan K.³, HANSEN, Steve², CROW, Ryan S.¹, KELLEY, Shari⁴, COBLENTZ, David⁵, CROSSEY, Laura J.¹ and CREST, Working Group¹, (1)Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, (2)Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071, (3)Earth and Environmental Science, New Mexico Tech, Socorro, NM 87801, (4)New Mexico Bureau of Geology, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801-4796, (5)Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM 87545, kek1@unm.edu, kek1@unm.edu