OF-80-01 Geophysical and Lithological Logs from the 1979 Coal Drilling and Coring Program 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 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 OF-80-04 Coal Bed Methane Potential of the Raton Mesa Coal Region, Raton Basin, Colorado
OF-80-07 Methane Drainage Plan Using Horizontal Holes at the Hawk’s Nest East Mine OF-80-07 Methane Drainage Plan Using Horizontal Holes at the Hawk’s Nest East Mine, Paonia, Colorado
RS-05 Coal Resources of the Denver and Cheyenne Basins RS-05 Coal Resources of the Denver and Cheyenne Basins, Colorado
RS-06 Colorado's Hydrothermal Resource Base: An Assessment RS-06 Colorado’s Hydrothermal Resource Base: An Assessment
OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries
MS-13 State Lands Status Map: Lands and Minerals Administered by Agencies of the Colorado Department of Natural Resources MS-13 State Lands Status Map: Lands and Minerals Administered by Agencies of the Colorado Department of Natural Resources
OF-79-03 Content of Methane in Coal from Four Core Holes in the Raton and Vermejo Formations OF-79-03 Content of Adsorbed Methane in Coal from Four Core Holes in the Raton and Vermejo Formations, Las Animas County, Colorado
OF-78-06 Isopach Map of the Watkins Lignite Seam OF-78-06 Isopach Map of the Watkins Lignite Seam, Adams and Arapahoe Counties, Colorado and a Map Showing Extent of Alluvial Valley Floors and Overburden Thickness above the Watkins Lignite Seam, Adams and Arapahoe Counties, Colorado