WAT-1998-02 Abandoned Mines and Naturally Occurring Acid Rock Drainage on National Forest System Lands 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: A Preliminary Investigation of Hydrogeomorphic (HGM) Classification and Functions for Colorado's Wetlands WAT-1998-01 Characterization and Functional Assessment of Reference Wetlands in Colorado
IS-46 Snow and Avalanche: Colorado Avalanche Information Center Annual Report IS-46 Snow and Avalanche: Colorado Avalanche Information Center Annual Report, 1997-1998
IS-47 Geologic Hazards Avoidance or Mitigation: A Comprehensive Guide to State Statutes IS-47 Geologic Hazards Avoidance or Mitigation: A Comprehensive Guide to State Statutes, Land Use Issues and Professional Practice in Colorado
IS-45 Active Permitted Mine Operations in Colorado IS-45 Active Permitted Mine Operations in Colorado, 1996-1997
RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields
RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits
OF-98-08 Preliminary Quaternary Fault and Fold Map and Database of Colorado (detail) OF-98-08 Preliminary Quaternary Fault and Fold Map and Database of 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