OF-03-09 Geologic Map of the Greenland Quadrangle OF-03-09 Geologic Map of the Greenland Quadrangle, Douglas and El Paso Counties, Colorado
OF-03-18 Geologic Map of the Cascade Quadrangle OF-03-18 Geologic Map of the Cascade Quadrangle, El Paso County, Colorado
OF-03-21 Geologic Map of the Electra Lake 7.5-Minute Quadrangle OF-03-21 Geologic Map of the Electra Lake 7.5-Minute Quadrangle, La Plata County, Colorado
OF-02-13 History OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel County, Colorado
OF-02-08 Soil and Bedrock Conditions and Construction Considerations OF-02-08 Soil and Bedrock Conditions and Construction Considerations, North-Central Douglas County, Colorado
FT-01-02 The San Juan Mountains of Southwest Colorado: Geology FT-01-02 The San Juan Mountains of Southwest Colorado: Geology, Water Quality, Mine Remediation, and Avalanche Hazards?- Field Trip Guidebook
RS-40 Geology and Mineral Resources of Park County RS-40 Geology and Mineral Resources of Park County, Colorado