Coal

     Sand and Gravel

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Atlas of Sand, Gravel, & Quarry Aggregate Resources, Colorado Front Range	Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties	Coal Mines and Coal Analysis of the Denver and Cheyenne Basins	Coal Mines and Coal Fields of Colorado
Coal Reserve Depletion Data and Coal Mine Summaries	Coal Resource Maps of Colorado	Coal Resources of the Castle Rock 1/2 X 1 Quadrangle, Colorado	Coal Resources of the Colorado Springs 1/2 X 1 Quadrangle, Colorado
Coal Resources of the Dakota Sandstone, Southwestern Colorado	Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1989	Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1995-96	Directory of Active and Permitted Mines in Colorado-2002, Map
Directory of Active Mines and Mine Permits in Colorado - 2002	Drill Holes Used for Coal Evaluation in the Denver and Cheyenne Basins	Energy Resource Development Map of Colorado	Evaluation of Coking Coals in Colorado
Fruitland Formation Geologic Mapping, Outcrop Measured Sections, and Subsurface Stratigraphic Cross Sections	Genetic Stratigraphy, Coal Occurrence and Regional Cross Section of the Coal-Bearing Williams Fork Formation	Geologic Map and Coal Measures of the Axial Quadrangle, Moffat and Rio Blanco Counties, Colorado	Geologic, Energy and Mineral Resource Maps of Routt County, Colorado

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