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This data release provides digital flight-line and gridded data for a high-resolution airborne magnetic and radiometric survey over the region surrounding the Wet Mountains of southern Colorado, including parts of Custer and Fremont Counties. Data for this survey were collected by Sander Geophysics Limited International (SGL) under contract with the USGS. The survey was flown in June and July of 2021 using a helicopter equipped with a magnetometer mounted in a stinger extending from the nose of the aircraft and a gamma-ray spectrometer stowed onboard. The helicopter pilots followed pre-planned flight paths in a grid-like pattern, with east-west lines spaced 150 meters apart and north-south lines spaced 1,000 meters...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: "Mineral Resources"], AASG, Antelope Creek, Arkansas River, Association of State Geologists, All tags...
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This U.S. Geological Survey (USGS) data release (ver. 1.2, April 2022) contains a set of previously unpublished geochemical data from project studies of primitive areas in central Idaho, including the Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks and Sawtooth Primitive Areas, and the Gospel-Hump Wilderness Area. The purpose of the USGS Idaho Primitive Area studies, conducted from 1966 to 1984, was to describe the geology, determine petrologic and geochemical characteristics, and evaluate the mineral resource potential of these primitive areas and adjacent study areas. In the case of the Idaho Primitive Area study (Cater and others, 1973), the primitive area covers 1,915 square miles; adjacent...
Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Big Deer Creek, Bitterroot National Forest, Blaine County, Boise County, Boise National Forest, All tags...
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This data release contains the whole-rock major and trace element analyses of 51 samples of intrusive igneous rocks from the Wet Mountains area of Custer and Fremont counties of south-central Colorado, collected by U.S. Geological Survey (USGS) geologists. The samples were collected from breccias, veins and thin dikes, and a variety of carbonatite, felsic, mafic, and ultramafic intrusions across the area. The first 41 samples listed in this data release were collected in July 2007, originally as part of a reconnaissance study of the thorium deposits of the area (Van Gosen and others, 2009). The samples are grab samples from outcrops, shallow open-pit excavations, and mineral prospect trenches. The last 10 samples...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Colorado, Custer County, DOI, Democrat Creek, Department of the Interior, All tags...
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This is land use and land coverage digital data collected by the U.S. Geological Survey. The data was converted to an ARC/INFO coverage by the Environmental Protection Agency. The individual coverages were merged by the USGS to form a single coverage. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region.
    map background search result map search result map Geochemical Data Release for Idaho Primitive Area, including the contiguous Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho (ver. 1.2, June 2022) Whole-rock geochemical data for alkaline intrusive rocks in the Wet Mountains area of Custer and Fremont Counties, south-central Colorado, USA Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp) Coal Bed Methane Project Area new environmental impact statement area in Powder River Basin. From 1999 National Coal Resource Assessment (prbcbmg.shp) Faults in the Powder River Basin area, 1999 National Coal Resource Assessment (prbfltg.shp) Geology of the Powder River Basin, 1999 National Coal Resource Assessment (prbgeolg) Wyodak-Anderson mine and lease areas in the Powder River Basin, Wyoming and Montana (prbleasg.shp) Land use and land cover in the Powder River Basin area (prblulcg.shp) Tribal boundaries in the Powder River Basin area (prbtlg.shp) Airborne magnetic and radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Whole-rock geochemical data for alkaline intrusive rocks in the Wet Mountains area of Custer and Fremont Counties, south-central Colorado, USA Airborne magnetic and radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Faults in the Powder River Basin area, 1999 National Coal Resource Assessment (prbfltg.shp) Tribal boundaries in the Powder River Basin area (prbtlg.shp) Geochemical Data Release for Idaho Primitive Area, including the contiguous Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho (ver. 1.2, June 2022) Coal Bed Methane Project Area new environmental impact statement area in Powder River Basin. From 1999 National Coal Resource Assessment (prbcbmg.shp) Wyodak-Anderson mine and lease areas in the Powder River Basin, Wyoming and Montana (prbleasg.shp) Geology of the Powder River Basin, 1999 National Coal Resource Assessment (prbgeolg) Land use and land cover in the Powder River Basin area (prblulcg.shp) Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp)