RS-05 Coal Resources of the Denver and Cheyenne Basins RS-05 Coal Resources of the Denver and Cheyenne Basins, Colorado
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
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
MS-09 Coal Resources and Development Map of Colorado (detail) MS-09 Coal Resources and Development Map of 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
OF-78-02 Data Accumulation on the Methane Potential of the Coal Beds of Colorado OF-78-02 Data Accumulation on the Methane Potential of the Coal Beds of Colorado, Final Report
B-40 Radioactive Mineral Occurrences of Colorado and Bibliography B-40 Radioactive Mineral Occurrences of Colorado and Bibliography
OF-78-12 Geologic Hazards OF-78-12 Geologic Hazards, North Fork Gunnison River Valley, Delta and Gunnison Counties, Colorado
RS-03 Colorado Coal Directory and Source Book 1978 RS-03 Colorado Coal Directory and Source Book 1978