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

RockTalk: Annual Review 1999

RockTalk: Avalanches in Colorado

RockTalk: Coal in Colorado

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

WAT-1998-01 Characterization and Functional Assessment of Reference Wetlands in Colorado