SP-19 Colorado Tectonics, Seismicity and Earthquake Hazards: Proceedings and Field Trip Guide of a Symposium Held in Denver, Colorado, June 4-6, 1981

RS-21 Precambrian Tungsten and Copper-Zinc Skarn Deposits of South-Central Colorado

OF-81-01 Preliminary Report on Potential Sites Suitable for Relocation and/or Reprocessing the Durango Uranium Mill Tailings Pile

OF-81-02 Geothermal Energy Opportunities in Four Colorado Towns

OF-81-03 Appendices of an Appraisal for the Use of Geothermal Energy in State-Owned Buildings in Colorado

OF-81-06 Coal Bed Methane Potential of the Sand Wash Basin, Green River Coal Region, Colorado

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

B-43 Earthquake Potential in Colorado, A Preliminary Evaluation

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-14 Hazardous Wastes in Colorado: A Preliminary Evaluation of Generation and Geologic Criteria for Disposal

IS-15 Regulation of Geothermal Energy Development in Colorado