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| 221-1 | 135 | 1) OLIGOCENE GLEN CANYON ERODED BY COLORADO RIVER DURING EXCAVATION OF EOCENE FILL IN GRAND CANYON; 2) NEOGENE SUBSURFACE FLOW OF COLORADO RIVER THROUGH GRAVEL PIPELINE IN GRAND CANYON, KAIPAROWITS PLATEAU TO GRAND WASH CLIFFS, UTAH-ARIZONA: ELSTON, Donald P., 6300 Country Club Dr, Flagstaff, AZ 86004, delston@earthlink.net. |
| 221-2 | 136 | LANDSLIDING AND CHANNEL DIVERSION AT FISHTAIL CANYON, GRAND CANYON, ARIZONA: WATKINS, Conor M., Department of Geological Engineering, Univ of Missouri-Rolla, 129 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409, cwatkin@umr.edu and ROGERS, J. David, Department of Geological Sciences and Engineering, Univ of Missouri - Rolla, 129 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409 |
| 221-3 | 137 | LANDSLIDE DAMS IN TAPEATS CAVE CANYON, GRAND CANYON, ARIZONA: ROGERS, J. David and WATKINS, Conor M., Department of Geological Engineering, Univ of Missouri-Rolla, 129 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409, rogersda@umr.edu |
| 221-4 | 138 | SEDIMENTOLOGY AND STRATIGRAPHY OF THREE ARCHAEOLOGICALLY SIGNIFICANT AREAS OF THE COLORADO RIVER CORRIDOR, GRAND CANYON, ARIZONA: DRAUT, Amy E.1, RUBIN, David M.2, DIERKER, Jennifer L.3, FAIRLEY, Helen C.4, HUNTER, Ralph E.2, LEAP, Lisa M.3, NIALS, Fred L.5, TOPPING, David J.4, and YEATTS, Michael6, (1) US Geol Survey / UC Santa Cruz, US Geological Survey Pacific Sciences Center, 400 Natural Bridges Drive, Santa Cruz, CA 95060, adraut@usgs.gov, (2) Coastal and Marine Geology, US Geol Survey, US Geological Survey Pacific Sciences Center, 400 Natural Bridges Drive, Santa Cruz, CA 95060, (3) National Park Service, Flagstaff, AZ 86001, (4) Grand Canyon Monitoring and Research Center, US Geol Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001, (5) GeoArch, 10450 W. 8th Place, Lakewood, CO 80215, (6) Hopi Cultural Preservation Office, Northern Arizona Univ, Flagstaff, AZ 86001 |
| 221-5 | 139 | CARBON 13 ISOTOPIC RECORDS OF FOSSIL PACKRAT PELLETS AND ELEVATIONAL MOVEMENTS OF UTAH AGAVE REVEAL YOUNGER DRYAS COLD PERIOD IN GRAND CANYON, ARIZONA: COLE, Kenneth L., Colorado Plateau Research Station, USGS Southwestern Biological Rsch Station, P.O. Box 5614, Northern Arizona University, Flagstaff, AZ 86011, Ken.Cole@nau.edu and ARUNDEL, Samantha, Department of Geography, Planning, and Recreation, Northern Arizona Univ, P.O. Box 5016, Flagstaff, AZ 86011 |
| 221-6 | 140 | ACCELERATED MODERN EROSION IN LAS VEGAS WASH, CLARK COUNTY, NEVADA: BUCKINGHAM, Susan, Geology, Univ of Colorado, Denver, CO 80222, Susan.Buckingham@colorado.edu, WHITNEY, John, U.S. Geol Survey, Box25046 MS980, Denver, CO 80225, GLANCY, Pat A., USGS, USGS, 333 W. Nye Lane, Carson City, NV 89706, and EHRENBERG, Art, Southern Nevada Water Authority, 1001 S. Valley View Blvd, Las Vegas, 89153 |
| 221-7 | 141 | EVOLUTION OF THE COURSE OF THE COLORADO RIVER IN DETRITAL VALLEY AND BOULDER CANYON, LOWER LAKE MEAD REGION, NEVADA AND ARIZONA: FELGER, Tracey J.1, ROBINSON, Sarah E.1, HOWARD, Keith A.2, and BEARD, L. Sue1, (1) US Geol Survey, 2255 N Gemini Dr, Flagstaff, AZ 86001-1637, tfelger@usgs.gov, (2) U.S. Geol Survey, 345 Middlefield Rd, MS/973, Menlo Park, CA 94025 |
| 221-8 | 142 | ANCESTRAL COLORADO RIVER POTHOLES HIGH ABOVE HOOVER DAM: HOWARD, Keith A., U.S. Geol Survey, 345 Middlefield Rd, MS/973, Menlo Park, CA 94025, khoward@usgs.gov, LUNDSTROM, Scott C., U.S. Geol Survey, Box 25046 Federal Center, MS/913, Denver, CO 80225, and MATMON, Ari, U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025 |
| 221-9 | 143 | GEOSPATIAL ANALYSIS OF CHANGES IN RIVER-CHANNEL POSITION AND RIPARIAN VEGETATION OF THE LOWER COLORADO RIVER: NORMAN, Laura M.1, WEBB, Robert H.2, GASS, Leila1, YANITES, Brian2, HOWARD, Keith3, PFEIFER, Ed1, and BEARD, L. Sue4, (1) Southwest Geographic Science Team, U.S. Geol Survey, 520 N. Park Ave, Ste #355, Tucson, AZ 85719, lnorman@usgs.gov, (2) U.S. Geol Survey, 520 N. Park Avenue, Tucson, AZ 85719, rhwebb@usgs.gov, (3) GEO-WRG-NGM, US Geol Survey, Menlo Park, CA 94025, (4) US Geol Survey, 2255 N Gemini Dr, Flagstaff, AZ 86001-1637 |
| 221-10 | 144 | APPLICATION OF MODIS ENHANCED VEGETATION INDEX AND LAND SURFACE TEMPERATURES TO PREDICT RIPARIAN EVAPOTRANSPIRATION ACROSS THE SEMI-ARID SOUTHWEST, USING MICROMETEOROLOGICAL TOWER DATA FROM THE MIDDLE RIO GRANDE, SAN PEDRO RIVER, AND THE LOWER COLORADO RIVER: NAGLER, Pamela L.1, GLENN, Edward1, HUETE, Alfredo1, WAN, Zhengming2, CLEVERLY, James3, and SCOTT, Russ4, (1) Soil, Water, and Environmental Sciences, Univ of Arizona, 2601 E. Airport Drive, Tucson, AZ 86706, pnagler@ag.arizona.edu, (2) Institute for Computational Earth Systems Science (ICESS), Univ of California at Santa Barbara, Santa Barbara, CA 93106, (3) Department of Biology, Univ of New Mexico, Albuquerque, NM 87131, (4) Water Conservation Lab, U.S. Department of Agriculture, Tucson, AZ 85719 |
| 221-11 | 145 | ORIGIN AND EVOLUTION OF THE GRAN DESIERTO SAND SEA: BEVERIDGE, Carrie A.1, KOCUREK, Gary2, LANCASTER, Nick3, EWING, Ryan2, MORTHEKAI, P.4, MAHAN, Shannon A.5, and SINGHVI, Ashok4, (1) Geol Science Dept, The Univ of Texas at Austin, 1 University Station C1100, Austin, TX 78712-0254, carriebev@yahoo.com, (2) Department of Geological Sciences, Univ of Texas-Austin, Geol Science Dept, 1 University Station C1100, Austin, TX 78712-0254, (3) Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, (4) Planetary and Geosciences Division, Physical Rsch Lab, Ahmedabad, 380 009, (5) U.S. Geol Survey, Box 25046, MS 974, Denver Federal Center, Denver, CO 80225 |
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