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-03-14 History OF-03-14 History, Geology and Environmental Setting of Selected Mines in the Upper Alamosa River Basin, Rio Grande National Forest, Conejos and Rio Grande Counties, Colorado
OF-03-02 Geologic Hazards of the Georgetown OF-03-02 Geologic Hazards of the Georgetown, Idaho Springs, and Squaw Pass Quadrangles, Clear Creek County, Colorado
OF-03-04 Published Faults of the Colorado Front Range (detail) OF-03-04 Published Faults of the Colorado Front Range
OF-03-08 Geologic Map of Falcon NW Quadrangle OF-03-08 Geologic Map of Falcon NW Quadrangle, El Paso County, Colorado
OF-03-15 Geologic map of the Taylor Ranch Quadrangle OF-03-15 Geologic map of the Taylor Ranch Quadrangle, Costilla County, Colorado
IS-60 Colorado Late Cenozoic Fault and Fold Database and Internet Map Server IS-60 Colorado Late Cenozoic Fault and Fold Database and Internet Map Server
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
MS-34 Collapsible Soils and Evaporite Karst Hazards of the Roaring Fork River Corridor MS-34 Collapsible Soils and Evaporite Karst Hazards of the Roaring Fork River Corridor, Garfield, Eagle, and Pitkin Counties, Colorado