RS-05 Coal Resources of the Denver and Cheyenne Basins, Colorado

RS-07 Evaluation of Coking Coals in Colorado

SP-13 1979 Summary of Coal Resources in Colorado

OF-79-03 Content of Adsorbed Methane in Coal from Four Core Holes in the Raton and Vermejo Formations, Las Animas County, Colorado

MS-09 Coal Resources and Development Map of Colorado

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, Final Report

OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins, Colorado

RS-02 Mineral Resources Survey of Mesa County: A Model Study

RS-03 Colorado Coal Directory and Source Book 1978

RS-04 Proceedings of the Second Symposium on the Geology of Rocky Mountain Coal, 1977

OF-78-01 Evaluation of Coking Coal Deposits in Colorado First Annual Report