MS-15 Map and Discovery of Permitted Colorado Coal Mines, 1981

RS-10 Proceedings of the Fourth Symposium on the Geology of Rocky Mountain Coal, 1980

IS-13 Chemical Analyses of Water Wells in Selected Strippable Coal and Lignite Areas, Denver Basin, Colorado

OF-80-09 Geophysical and Lithological Logs from the 1980 Coal Drilling and Coring Program, Denver East (1/2° x 1°) Quadrangle

EG-12 Energy Resources of the Denver and Cheyenne Basins, Colorado: Resource Characteristics, Development Potential and Environmental Problems

OF-80-01 Geophysical and Lithological Logs from the 1979 Coal Drilling and Coring Program, Denver East (1/2° x 1°) Quadrangle

OF-80-02 Deep Coal Bed Methane Potential of the San Juan River Coal Region, Southwestern Colorado

OF-80-04 Coal Bed Methane Potential of the Raton Mesa Coal Region, Raton Basin, Colorado

OF-80-05 Conservation of Methane from Colorado Mined/Mineable Coal Beds: A Feasibility Study

RS-13 Coal Resources of the Denver East (1/2° x 1°) Quadrangle, Colorado

OF-80-07 Methane Drainage Plan Using Horizontal Holes at the Hawk’s Nest East Mine, Paonia, Colorado

OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries