OF-05-07 Geologic Map of the East Half of the Larkspur Quadrangle OF-05-07 Geologic Map of the East Half of the Larkspur Quadrangle, Douglas and El Paso Counties, Colorado
OF-05-02 Geologic Map of the Castle Rock North Quadrangle OF-05-02 Geologic Map of the Castle Rock North Quadrangle, Douglas County, Colorado
OF-04-05 Geologic Map of the Castle Rock South Quadrangle OF-04-05 Geologic Map of the Castle Rock South Quadrangle, Douglas County, Colorado
OF-04-06 Geologic Map of the Cherry Valley School Quadrangle OF-04-06 Geologic Map of the Cherry Valley School Quadrangle, Elbert, Douglas, and El Paso Counties, Colorado
OF-04-07 Geologic Map of the Dawson Butte Quadrangle OF-04-07 Geologic Map of the Dawson Butte Quadrangle, Douglas County, Colorado
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-03-06 Geologic Map of Black Forest Quadrangle OF-03-06 Geologic Map of Black Forest Quadrangle, El Paso County, Colorado
OF-03-08 Geologic Map of Falcon NW Quadrangle OF-03-08 Geologic Map of Falcon NW Quadrangle, El Paso 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
OF-02-04 Geologic Map of the Monument Quadrangle OF-02-04 Geologic Map of the Monument Quadrangle, El Paso County, Colorado
OF-02-02 Geologic Map of the Elsmere Quadrangle OF-02-02 Geologic Map of the Elsmere Quadrangle, El Paso County, Colorado