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

IS-15 Regulation of Geothermal Energy Development in Colorado

SP-10 Hydrogeologic and Geothermal Investigation of Pagosa Springs, Colorado

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

OF-80-10 Geothermal Energy Potential in Chaffee County, Colorado

OF-80-11 Community Development of Geothermal Energy in Pagosa Springs, Colorado

RS-11 Rare Earth Pegmatites of the South Platte District, Colorado

OF-80-12 Temperature-Depth Profiles in the San Luis Valley and Canon City Areas, Colorado

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

OF-80-13 Geothermal Energy Potential in the San Luis Valley, Colorado

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