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Digital database of a 3D Geological Model of the Powder River Basin and Williston Basin Regions, USA
This digital GIS dataset and accompanying nonspatial files synthesize model outputs from a regional-scale volumetric 3-D geologic model that portrays the generalized subsurface geology of the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:38 PM -
The Pagosa Springs geologic map is of the 7.5-minute quadrangle of the same name. It is located in southwestern Colorado, USA and shows the town of Pagosa Springs. The mapped area is southwest of...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:48 PM -
Under the direction and funding of the National Cooperative Geologic Mapping Program (NCGMP) with guidance and encouragement from the United States Geological Survey (USGS), there has been a...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:05 PM -
This file contains 15 net sand isopach grids that represent the summed true vertical thickness (TVT) of sand intervals between 15 stratigraphically adjacent horizons picked on borehole geophysical...
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This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the Fruitland Formation, San Juan Basin coal assessment area, Colorado and New Mexico. Polygons that...
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Cell maps for each oil and gas assessment unit were created by the USGS to illustrate the degree of exploration, type of production, and distribution of production in an assessment unit or...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:56 PM -
This data release contains geochemical and mineralogical laboratory results from core samples collected from the USGS Cow Creek 1-21 well. The well was drilled and cored in 2022 and targeted the...
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This data release contains 5 Log ASCII Standard (LAS) files related to wireline geophysical logging of the USGS Cow Creek 1-21 well. The well was drilled and cored in 2022 and targeted the Lewis...
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This data release contains data associated with the Lewis Shale-Fox Hills Sandstone-Lance Formation depositional system (also referred to as the Lewis Shale system) in the eastern part of the...
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In 2021 the United States Geological Survey (USGS) sampled the lower part of the Upper Cretaceous Lewis Shale in the eastern part of the Southwestern Wyoming Province to better characterize its...
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This is a shapefile and coverage of the structure contours on top of the Huerfanito Bentonite bed, San Juan Basin Colorado and New Mexico.
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:08 PM -
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:26 PM -
This file contains 18 gross isopach grids that represent true vertical thickness (TVT) values by calculating the difference between 19 stratigraphically adjacent horizons picked on borehole...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 09:44 PM -
This child item contains one structural grid generated on the top of the Almond Formation (base Lewis Shale) and one grid on the top of the Fox Hills Sandstone. The top of the Lewis Shale and base...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 10:43 PM -
This shapefile and coverage depicts the thickness of the interval between the top of the Huerfanito Bentonite bed in the Lewis Shale and the top of the Pictured Cliffs Sandstone.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 08:37 PM
