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-98-06 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
IS-40 Colorado Minerals and Mineral Fuel Activity IS-40 Colorado Minerals and Mineral Fuel Activity, 1995
IS-41 Active Permitted Mine Operations in Colorado IS-41 Active Permitted Mine Operations in Colorado, 1995-96
IS-39 Colorado Mineral and Mineral Fuel Activity IS-39 Colorado Mineral and Mineral Fuel Activity, 1994
RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico and Colorado
OF-94-02 Coalbed Gas Composition in Upper Cretaceous Fruitland Formation OF-94-02 Coalbed Gas Composition in Upper Cretaceous Fruitland Formation, San Juan Basin, Colorado and New Mexico
RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin, Colorado and Wyoming
IS-35 Selected References Related to Coalbed Methane in the Greater Green River IS-35 Selected References Related to Coalbed Methane in the Greater Green River, Piceance, Powder River, Raton and San Juan Basins
IS-32 Coalbed Methane Development in Colorado IS-32 Coalbed Methane Development in Colorado, September 1990