OF-00-18 Late Cretaceous Formation Geologic Mapping OF-00-18 Late Cretaceous Formation Geologic Mapping, Outcrop Measured Sections, and Subsurface Stratigraphic Cross Sections, Northern La Plata County, Colorado
OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado
IS-54 Colorado Mineral and Mineral Fuel Activity IS-54 Colorado Mineral and Mineral Fuel Activity, 1999
IS-56 Snow and Avalanche: Colorado Avalanche Information Center Annual Report 1999-2000 IS-56 Snow and Avalanche: Colorado Avalanche Information Center Annual Report 1999-2000
RS-38 Availability of Coal Resources in Colorado: Somerset Coal Field RS-38 Availability of Coal Resources in Colorado: Somerset Coal Field, West-Central Colorado
OF-00-03 Geologic Map of the Colorado Springs Quadrangle OF-00-03 Geologic Map of the Colorado Springs Quadrangle, El Paso County, Colorado
OF-00-12 Demonstrated Reserve Base for Coal in Colorado: Yampa Coal Field OF-00-12 Demonstrated Reserve Base for Coal in Colorado: Yampa Coal Field
OF-99-18 History OF-99-18 History, Geology, and Environmental Setting of Selected Mines near Creede, Rio Grande National Forest, Mineral County, Colorado
SP-46 Geology of the 1994 South Canyon Fire Area SP-46 Geology of the 1994 South Canyon Fire Area, and a Geomorphic Analysis of the September 1, 1994 Debris Flows, South Flank of Storm King Mountain, Glenwood Springs, Colorado
OF-00-01 Geologic Map of the Jack Hall Mountain Quadrangle OF-00-01 Geologic Map of the Jack Hall Mountain Quadrangle, Fremont County, Colorado