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This U.S. Geological Survey (USGS) data release contains strontium isotopic data from water and rock samples collected between 2000 and 2019 from the Mount Emmons area, central Colorado. The data include strontium isotopic compositions, 87Sr/86Sr, for surface- and groundwater samples collected from streams, springs, draining mines, piezometers, and drill holes and for leachates of rock samples collected from surface outcrops and drill core. Rock sample isotopic data are results from two-step leaching of samples from various lithologies within the study area. Drill core rock and water samples were collected from holes drilled in 2017 and 2018 as part of a U.S. Geological Survey and Department of Energy investigation...
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Digitization of oil and gas well pad sites in the Piceance region of Western Colorado. Well pad sites were delineated using a modified version of the Rapid Land Cover Mapping protocol (Preston and Kim, 2016). The base imagery used to delineate boundaries is the 2015 National Agriculture Imagery Program (NAIP) imagery. Well coordinate locations facilitating the targeting of well pad sites were downloaded from the Colorado Oil and Gas Conservation Commission (COGCC) in February 2016. Preston, Todd M, and Kevin Kim. 2016. “Land Cover Changes Associated with Recent Energy Development in the Williston Basin; Northern Great Plains , USA.” Science of the Total Environment 566-567. Elsevier B.V.: 1511–18. doi:10.1016/j.scitotenv.2016.06.038.
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Mitigating the effects of salinity (total dissolved solids) and selenium on water quality in the lower Gunnison River Basin (LGRB) of western Colorado is a major concern for land managers. In cooperation with the Bureau of Reclamation, the U.S. Geological Survey completed a study to develop multiple linear regression models to estimate salinity and selenium loads. The objective of the study was to refine existing models by improving the regressions and using additional geospatial and water-quality data. This data release presents the basin characteristics and loads used to calibrate the models. Also provided are salinity and selenium yield rasters determined by empirical Bayesian kriging of loads estimated by the...
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The U.S. Geological Survey collected low-altitude airborne thermal infrared data and visual imagery via a multirotor, small unoccupied aircraft system deployed from the northern bank of Oh-be-joyful Creek and adjacent to the Peeler fault, approximately 6 kilometers northwest of the town of Crested Butte, in Gunnison National Forest, Colorado, on August 17, 2017. Thermal infrared still images were collected in jpg and radiometric tiff formats, and non-radiometric thermal infrared video was collected. The radiometric thermal infrared still images were compiled automatically into a larger stitched image (orthomosaic). Visual imagery was collected in jpg format, and the images were compiled automatically into a larger...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.


map background search result map search result map CA1008 Nebrioporus sp Strictotarsus sp Complex dor ant2 EL1020 Epeorus longimanus lateral stk USGS Topo Map Vector Data (Vector) 16845 Garfield, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 1191 Anthracite Range, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11047 Curecanti Needle, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12744 Doyleville, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14888 Fairview Peak, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27644 Marcellina Mountain, Colorado 20220511 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32977 Oh-be-joyful, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41929 Snowmass Mountain, Colorado 20220511 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7662 Cathedral Peak, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 10367 Courthouse Mountain, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16967 Gateview, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Leadville W, Colorado 20220429 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Montrose W, Colorado 20220429 1 X 1 degree Shapefile Thermal infrared and photogrammetric data collected by small unoccupied aircraft system for hydrogeologic analysis of Oh-be-joyful Creek, Gunnison National Forest, Colorado, August 2017 Basin Characteristics and Salinity and Selenium Loads and Yields for Selected Subbasins in the Lower Gunnison River Basin, Western Colorado, 1992─2013 Digitized oil and gas pads in the Piceance Basin of Western Colorado in 2015 USGS US Topo 7.5-minute map for Powderhorn, CO 2019 Strontium isotopic data from the Mount Emmons-Redwell area, Crested Butte, Colorado Thermal infrared and photogrammetric data collected by small unoccupied aircraft system for hydrogeologic analysis of Oh-be-joyful Creek, Gunnison National Forest, Colorado, August 2017 Strontium isotopic data from the Mount Emmons-Redwell area, Crested Butte, Colorado USGS Topo Map Vector Data (Vector) 16845 Garfield, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 1191 Anthracite Range, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11047 Curecanti Needle, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12744 Doyleville, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14888 Fairview Peak, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27644 Marcellina Mountain, Colorado 20220511 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32977 Oh-be-joyful, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41929 Snowmass Mountain, Colorado 20220511 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7662 Cathedral Peak, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 10367 Courthouse Mountain, Colorado 20220512 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16967 Gateview, Colorado 20220512 for 7.5 x 7.5 minute FileGDB 10.1 USGS US Topo 7.5-minute map for Powderhorn, CO 2019 USGS NED 1/3 arc-second Contours for Leadville W, Colorado 20220429 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Montrose W, Colorado 20220429 1 X 1 degree Shapefile Basin Characteristics and Salinity and Selenium Loads and Yields for Selected Subbasins in the Lower Gunnison River Basin, Western Colorado, 1992─2013 Digitized oil and gas pads in the Piceance Basin of Western Colorado in 2015