IS-44 Colorado Mineral and Mineral Fuel Activity, 1997

IS-45 Active Permitted Mine Operations in Colorado, 1996-1997

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-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits

RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle, West-Central Colorado

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)

IS-42 Colorado Minerals and Mineral Fuel Activity, 1996

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, Moffat, and Rio Blanco Counties, Colorado

OF-97-07 Stratigraphic and Structural Cross Sections of the Coal-Bearing Williams Fork Formation, Mesaverde Group, Colorado