OF-99-04 Geologic Map of the Durango West Quadrangle, La Plata County, Colorado

OF-99-05 Geologic Map of the Hunter Mesa Quadrangle, Garfield County, Colorado

OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado

OF-99-07 Geologic Map of the Mt. Sopris Quadrangle, Garfield and Pitkin Counties, Colorado

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

OF-99-14 Geologic Hazards and Mineral Resource Potential of Southwestern Costilla County, Colorado

MS-32 Map of Areas Susceptible to Differential Heave in Expansive, Steeply Dipping Bedrock, City of Colorado Springs, Colorado

RockTalk: Annual Review 1999

RockTalk: Avalanches in Colorado

OF-99-10 Correlation of Producing Fruitland Formation Coals Within the Western Outcrop and Coalbed Methane Leakage on the Southern Ute Reservation: Final Technical Report

RockTalk: Coal in Colorado

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