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, Land Use Issues and Professional Practice in Colorado

IS-44 Colorado Mineral and Mineral Fuel Activity, 1997

RS-33 Spanish Peak Field, Las Animas County, Colorado: Geologic Setting and Early Development of a Coalbed Methane Reservoir in the Central Raton Basin

RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields

RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits

RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle, West-Central Colorado

OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle, La Plata County, Colorado

OF-98-04 Geologic Map of the Cameron Mountain Quadrangle, Chaffee, Park, and Fremont Counties, Colorado

OF-98-05 Demonstrated Reserve Base for Coal in the Colorado – Somerset Coal Field

OF-98-01 Geologic Map of the Basalt Quadrangle, Eagle, Garfield, and Pitkin Counties, Colorado

OF-98-03 Geologic Map of the Leon Quadrangle, Eagle and Garfield Counties, Colorado