Showing 1 - 20 results of 497 for search 'U.S. Geological Survey,', query time: 0.52s Refine Results
  1. 1
    Interim results of quality-control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995-96 /
    by Spahr, Norman E.
    Published 1997
    “...U.S. Geological Survey :...”
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  2. 2
    Summary of sediment data from the Yampa River and upper Green River basins, Colorado and Utah, 1993-2002 /
    “...U.S. Geological Survey,...”
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  3. 3
    S-wave refraction survey of alluvial aggregate /
    Published 2005
    “...U.S. Geological Survey,...”
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  4. 4
    Completion reports, core logs, and hydrogeologic data from wells and piezometers in Prospect Gulch, San Juan County, Colorado /
    “...U.S. Geological Survey,...”
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  5. 5
    Alpine plant community trends on elk summer range of Rocky Mountain National Park, Colorado : an analysis of existing data /
    by Zeigenfuss, Linda C.
    Published 2006
    “...U.S. Geological Survey,...”
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  6. 6
    Digital data from the Questa-San Luis and Santa Fe East helicopter magnetic surveys in Santa Fe and Taos Counties, New Mexico, and Costilla County, Colorado /
    Published 2006
    “...U.S. Geological Survey,...”
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  7. 7
    Well construction information, lithologic logs, water level data, and overview of research in the Handcart Gulch, Colorado : an alpine watershed affected by metalliferous hydrothermal alteration /
    Published 2006
    “...U.S. Geological Survey,...”
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  8. 8
    2005 annual progress report : elk and bison grazing ecology in the Great Sand Dunes complex of lands /
    Published 2006
    “...U.S. Geological Survey,...”
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  9. 9
    Field reconnaissance of debris flows triggered by a July 21, 2007, thunderstorm in Alpine, Colorado, and vicinity /
    Published 2007
    “...U.S. Geological Survey,...”
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  10. 10
    Molluscan fossils and stratigraphic descriptions from the Upper Cretaceous Mancos Shale, west-central Colorado /
    “...U.S. Geological Survey,...”
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  11. 11
    Digital data from the Leadville/Buena Vista aeromagnetic survey covering parts of Chaffee, Eagle, Lake, Park, and Summit Counties, Colorado /
    by Bankey, Viki
    Published 2006
    “...U.S. Geological Survey,...”
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  12. 12
    Preliminary assessment of landslides along the Florida River downstream from Lemon Reservoir, La Plata County, Colorado /
    Published 2006
    “...U.S. Geological Survey,...”
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  13. 13
    Results of chemical analyses of soil, shale, and soil/shale extract from the Mancos Shale Formation in the Gunnison Gorge National Conservation Area, southwestern Colorado, and at Hanksville, Utah /
    Published 2007
    “...U.S. Geological Survey,...”
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  14. 14
    Geochemistry of surface and ground water in Cement Creek from Gladstone to Georgia Gulch and in Prospect Gulch, San Juan County, Colorado /
    “...U.S. Geological Survey,...”
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  15. 15
    Chemical and hydrologic data from the Cement Creek and upper Animas River confluence and mixing zone, Silverton, Colorado, September 1997 /
    by Cox, Marisa H.
    Published 2007
    “...U.S. Geological Survey,...”
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  16. 16
    Selected field parameters from streams and preliminary analytical data from water and macroinvertebrate samples, Central Colorado Assessment Project, environmental assessment task, 2004 and 2005 /
    Published 2007
    “...U.S. Geological Survey,...”
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  17. 17
    Road impacts on the Baca National Wildlife Refuge, Colorado, with emphasis on effects to surface- and shallow ground-water hydrology, a literature review /
    by Andersen, Douglas C.
    Published 2007
    “...U.S. Geological Survey,...”
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  18. 18
    Mineralogy from cores in Prospect Gulch, San Juan County, Colorado /
    by Bove, Dana
    Published 2007
    “...U.S. Geological Survey,...”
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  19. 19
    Selected water-quality data for the Standard Mine, Gunnison County, Colorado, 2006-2007 /
    Published 2007
    “...U.S. Geological Survey,...”
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  20. 20
    Understanding knowledge and perceptions of bats among residents of Fort Collins, Colorado /
    by Sexton, Natalie R.
    Published 2007
    “...U.S. Geological Survey,...”
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