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IS-49 Reconnaissance Field Investigation of Surface-Water Specific Conductance in the Snowmass-Glenwood Springs Area IS-49 Reconnaissance Field Investigation of Surface-Water Specific Conductance in the Snowmass-Glenwood Springs Area, West-Central Colorado
OF-99-17 Evaluation of Mineral and Mineral Fuel Potential of SE Moffat County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-99-17 Evaluation of Mineral and Mineral Fuel Potential of SE Moffat County State Mineral Lands Administered by the Colorado State Land Board
B-53 Clastic Dikes Intruding Cretaceous Coals of Western Colorado B-53 Clastic Dikes Intruding Cretaceous Coals of Western Colorado
IS-52 Colorado Mineral and Mineral Fuel Activity IS-52 Colorado Mineral and Mineral Fuel Activity, 1998
IS-53 Snow and Avalanche: Colorado Avalanche Information Center Annual Report 1998-1999 IS-53 Snow and Avalanche: Colorado Avalanche Information Center Annual Report 1998-1999
IS-50 Oil and Gas Fields of Colorado Statistical Summary through 1996 IS-50 Oil and Gas Fields of Colorado Statistical Summary through 1996
RS-37 Geology and Mineral Resources of Gunnison County RS-37 Geology and Mineral Resources of Gunnison County, Colorado