OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries
OF-77-02 Geology for Land-Use Planning OF-77-02 Geology for Land-Use Planning, Horn Peak Quadrangle, Custer County, Colorado
EG-06 Environmental and Engineering Geology of the Windsor Study Area EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado
SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties
MI-08 Engineering Geologic Factors of the Marble Area MI-08 Engineering Geologic Factors of the Marble Area, Gunnison County, Colorado