SP-18 Ground Water Heat Pumps in Colorado: An Efficient and Cost-Effective Way to Heat and Cool Your Home

SP-23 1981 Summary of Coal Resources in Colorado

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

IS-15 Regulation of Geothermal Energy Development in Colorado

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

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