OF-99-18 History, Geology, and Environmental Setting of Selected Mines near Creede, Rio Grande National Forest, Mineral County, Colorado

OF-00-02 Geologic Map of the Idaho Springs Quadrangle, Clear Creek County, Colorado

OF-00-09 Atlas of Sand, Gravel, & Quarry Aggregate Resources, Colorado Front Range Counties

OF-00-10 History, Geology, and Environmental Setting of the Lower Fair Day Mine, Arapaho/Roosevelt National Forest, Boulder County, Colorado

RockTalk: Diamonds in Colorado

B-53 Clastic Dikes Intruding Cretaceous Coals of Western Colorado

IS-52 Colorado Mineral and Mineral Fuel Activity, 1998

RS-37 Geology and Mineral Resources of Gunnison County, Colorado

OF-99-13 Active Surficial-Geologic Processes and Related Geologic Hazards in Georgetown, Clear Creek County, Colorado

OF-99-15 Evaluation of Mineral and Mineral Fuel Potential of Park County State Mineral Lands Administered by the Colorado State Land Board

RockTalk: Coal in Colorado

WAT-1998-02 Abandoned Mines and Naturally Occurring Acid Rock Drainage on National Forest System Lands in Colorado