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• Organization: Department of the Interior
• Updated: 20210525 | Harvested: July 16, 2025 at 01:07 PM

This is a shape file and coverage of the top of the Rollins Sandstone Member. It outlines the area underlain by the coal-bearing Cameo/Fairfield coal group in the southern Piceance Basin coal...

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• Organization: Department of the Interior
• Updated: 20210616 | Harvested: July 16, 2025 at 12:40 PM

These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1 ft thick for the Cameo/Fairfield coal group and for the Cameo/Wheeler,...

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• Organization: Department of the Interior
• Updated: 20210614 | Harvested: July 16, 2025 at 01:03 PM

These are shapefiles and coverages of final unioned polygon coverages used to calculate coal resources of the Cameo/Fairfield coal group east of 107 deg 15' longitude, and the Cameo/Wheeler, South...

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