OF-00-10 History OF-00-10 History, Geology, and Environmental Setting of the Lower Fair Day Mine, Arapaho/Roosevelt National Forest, Boulder County, Colorado
RS-39 Gas Production Characteristics of the Rulison RS-39 Gas Production Characteristics of the Rulison, Grand Valley, Mamm Creek, and Parachute Fields
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
B-53 Clastic Dikes Intruding Cretaceous Coals of Western Colorado B-53 Clastic Dikes Intruding Cretaceous Coals of Western Colorado
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
IS-52 Colorado Mineral and Mineral Fuel Activity IS-52 Colorado Mineral and Mineral Fuel Activity, 1998