MS-08 Licensed Coal Mines in Colorado

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

IS-04 Map Showing Thermal Springs, Wells, and Heat-Flow contours in Colorado

B-38 Guidelines and Methods for Detailed Snow Avalanche Hazard Investigations in Colorado

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

IS-06 Hydrogeochemical Data of Thermal Springs and Wells in Colorado

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

IS-01 Coal Mines and Coal Fields of Colorado

SP-09 1975 Summary of Coal Resources in Colorado

IS-02 Coal Mines of Colorado, Statistical Data

B-37 Bibliography and Index of Colorado Geology, 1875 to 1975

OF-75-07 Gas Pipelines in Colorado