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This shapefile contains a representation of the overburden above the Wyodak-Anderson coal zone. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 08:30 PM -
An ESRI GRID raster data model and TIN model of the LaClede bed of the Laney Member of the Eocene Green River Formation structure was needed to perform overburden calculations in the Green River...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 08:56 PM -
This is a coverage that shows areas in the Kaiparowits Plateau where geologic conditions in the Calico and A-sequences are more favorable for current underground mining technology (Hettinger and...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:47 PM -
An ESRI GRID raster data model and TIN model of the overburden material above the LaClede bed of the Laney Member of the Eocene Green River Formation was needed to perform calculations in the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:58 PM -
This ArcView shapefile is a polygon representation of the overburden thickness above the Knobloch coal resource unit in the Powder River Basin. This theme was created specifically for the National...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:22 PM -
These ArcView shapefiles contain representations of the overburden thckness above the Hanna 77, 78, 79 and 81 coal zones in the Hanna coalfield, Hanna Basin, Wyoming. These shapefiles were...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 10:03 PM -
These are shapefiles and polygon coverages that contain numerous attributes of information on coal in the Calico and A-sequences of the Upper Cretaceous Straight Cliffs Formation in the...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:49 PM -
The U.S. Geological Survey developed this dataset as part of the Colorado Front Range Infrastructure Resources Project (FRIRP). One goal of the FRIRP was to provide information on the...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:49 PM -
Reporting polygons were created to display and quantify overburden material above the Mahogany bed, by PLSS township, in the Uinta Basin, Utah and Colorado as part of a 2009 National Oil Shale Assessment.
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:32 PM -
The obtop_f grid represents the modeled elevation of the top of the Overburden geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 11:19 PM -
An ESRI GRID raster data model of the Mahogany Zone structure was needed to perform overburden calculations in the Piceance Basin, Colorado as part of a 2009 National Oil Shale Assessment.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:01 PM -
Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system were developed to define an updated hydrogeologic framework as part of the U.S. Geological Survey...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 11:45 PM -
The obthk_f grid represents the modeled thickness of the Overburden geomodel unit at a 500 foot resolution. It is one grid of a geomodel that consists of eleven grids and a spatial extent polygon...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 11:35 PM -
These ArcView shapefiles contain representations of the thickness of overburden above the Ferris coal zones in the Ferris coalfield, Hanna Basin, Wyoming. These datasets was created specifically...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:39 PM -
An ESRI GRID raster data model of the Mahogany bed structure was needed to perform overburden calculations in the Uinta Basin, Utah and Colorado as part of a 2009 National Oil Shale Assessment.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 07:57 PM -
This ArcView shapefile contains a polygon representation of the overburden to the base of the Rosebud-Robinson coal zone, Colstrip coalfield (Powder River Basin), Montana. This theme was created...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:11 PM -
This ArcView shapefile contains a polygon representation of overburden thickness above the Wyodak-Anderson coal zone in the area of Gillette coalfield, Wyoming. This theme was created...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:12 PM -
An ESRI TIN data model of the Mahogany bed structure was needed to perform overburden calculations in the Uinta Basin, Utah and Colorado as part of a 2009 National Oil Shale Assessment.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:42 PM -
An ESRI TIN data model of the Mahogany Zone structure was needed to perform overburden calculations in the Piceance Basin, Colorado as part of a 2009 National Oil Shale Assessment.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:06 PM -
This ArcView shapefile contains a polygon representation of the Jim Bridger Coal Zone overburden. This coal zone is a part of the National Coal Resources Assessment of the Northern Rocky Mountain...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:47 PM
