RS-33 Spanish Peak Field RS-33 Spanish Peak Field, Las Animas County, Colorado: Geologic Setting and Early Development of a Coalbed Methane Reservoir in the Central Raton Basin
RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields
RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle, West-Central Colorado
OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle, La Plata County, Colorado
OF-98-05 Demonstrated Reserve Base for Coal in the Colorado Somerset Coal Field OF-98-05 Demonstrated Reserve Base for Coal in the Colorado – Somerset Coal Field
OF-98-06 Preliminary Evaluation of Mineral and Mineral Fuel Potential of the 130 Tracts of State Trust Land Nominated by the Public for Inclusion in the Stewardship Trust (Round 1) (detail) OF-98-06 Preliminary Evaluation of Mineral and Mineral Fuel Potential of the 130 Tracts of State Trust Land Nominated by the Public for Inclusion in the Stewardship Trust (Round 1)
IS-42 Colorado Minerals and Mineral Fuel Activity IS-42 Colorado Minerals and Mineral Fuel Activity, 1996
RS-32 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map RS-32 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1995-96
OF-97-05 Geologic Map and Coal Measures of the Axial Quadrangle OF-97-05 Geologic Map and Coal Measures of the Axial Quadrangle, Moffat, and Rio Blanco Counties, Colorado
OF-97-07 Stratigraphic and Structural Cross Sections of the Coal-Bearing Williams Fork Formation OF-97-07 Stratigraphic and Structural Cross Sections of the Coal-Bearing Williams Fork Formation, Mesaverde Group, Colorado
B-51 Guide to the Petroleum Geology and Laramide Orogeny B-51 Guide to the Petroleum Geology and Laramide Orogeny, Denver Basin and Front Range, Colorado
IS-40 Colorado Minerals and Mineral Fuel Activity IS-40 Colorado Minerals and Mineral Fuel Activity, 1995