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This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This theme was created specifically...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: August 01, 2026 at 04:30 AM -
These are shapefiles and ARC/INFO coverages of coal fields and coal-bearing formations in the Colorado Plateau. These GIS layers were created by combining numerous ARC/INFO coverages created for...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:12 AM -
This ArcView shapefile contains a polygon representation of the Green River Basin boundary. This boundary is a part of the National Coal Resource Assessment of the Northern Rocky Mountain and...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:57 AM -
This ArcView shapefile contains a polygon representation of the Hanna and Carbon Basins, Wyoming. This shapefile was created as part of the National Coal resource Assessment in the Northern...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:10 AM -
This ArcView shapefile contains a polygon representation of the northern boundary of the Powder River Basin (Montana). This theme was created specifically for the National Coal Resources...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:10 AM
