OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins, Colorado

B-40 Radioactive Mineral Occurrences of Colorado and Bibliography

OF-78-12 Geologic Hazards, North Fork Gunnison River Valley, Delta and Gunnison Counties, Colorado

MS-10 Metal Mining Activity Map of Colorado Excluding Uranium and Vanadium (with Directory), 1978

IS-07 Colorado Coal Analyses, 1975

MS-08 Licensed Coal Mines in Colorado

RS-01 Geology of Rocky Mountain Coal: A Symposium, 1976

OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin

MS-03 Geologic Map of Moffat County, Colorado

IS-03 Oil and Gas Fields of Colorado, Statistical Data

OF-76-01 Active/Licensed Coal Mines of Colorado

IS-01 Coal Mines and Coal Fields of Colorado