OF-03-18 Geologic Map of the Cascade Quadrangle OF-03-18 Geologic Map of the Cascade Quadrangle, El Paso County, Colorado
FT-02-01 Mineral Resources of Jefferson County Field Trip Guidebook FT-02-01 Mineral Resources of Jefferson County Field Trip Guidebook
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
OF-02-13 History OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel 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
OF-01-11 History OF-01-11 History, Geology, and Environmental Setting of the Tweed Mine, Pike/San Isabel National Forest, Chaffee County, Colorado