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#1 Federal
Digital database of the previously published geologic map of the greater Denver area, Front Range Urban Corridor, Colorado
- Organization: Department of the Interior
- Dataset Last Updated: October 02, 2023 at 12:00 AM
This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and published in 1979 under the...
- xml
- xml
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 07:51 PM
#2 Federal
Denver Coal Basin boundary from 1999 National Coal Resource Assessment
- Organization: Department of the Interior
- Dataset Last Updated: May 21, 2021 at 12:00 AM
This ArcView shapefile contains a polygon representing the extent of the Denver coal basin boundary. This theme was created specifically for the National Coal Resources Assessment in the Northern...
- xml
- xml
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 10:03 PM

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