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-00-03 Geologic Map of the Colorado Springs Quadrangle OF-00-03 Geologic Map of the Colorado Springs Quadrangle, El Paso County, Colorado
OF-00-04 Geologic Map of the Hesperus Quadrangle OF-00-04 Geologic Map of the Hesperus Quadrangle, La Plata and Montezuma Counties, Colorado
OF-99-06 Geologic Map of the Durango East Quadrangle OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado
OF-99-07 Geologic Map of the Mt. Sopris Quadrangle OF-99-07 Geologic Map of the Mt. Sopris Quadrangle, Garfield and Pitkin Counties, Colorado
OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle, La Plata County, Colorado
OF-97-01 Geologic Map of the Rules Hill Quadrangle OF-97-01 Geologic Map of the Rules Hill Quadrangle, La Plata County, Colorado
MS-31 Geologic Map of the Glenwood Springs Quadrangle MS-31 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado
MS-05 Geology for Planning in the Redlands Area Mesa County MS-05 Geology for Planning in the Redlands Area Mesa County, Colorado