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

OF-99-09 Directory of Colorado Water Quality Data

OF-99-01 Evaluation of Mineral and Mineral Fuel Potential of Phillips County State Mineral Lands Administered by the Colorado State Land Board

OF-99-11 Evaluation of Mineral and Mineral Fuel Potential of NW Moffat County State Mineral Lands Administered by the Colorado State Land Board

OF-99-12 Evaluation of Mineral and Mineral Fuel Potential of SW Moffat County State Mineral Lands Administered by the Colorado State Land Board

OF-99-16 Evaluation of Mineral and Mineral Fuel Potential of NE Moffat County State Mineral Lands Administered by the Colorado State Land Board

OF-99-08 Evaluation of Mineral and Mineral Fuel Potential of Sedgwick County State Mineral Lands Administered by the Colorado State Land Board

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

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