OF-08-02 Geologic Map of the Delta Quadrangle OF-08-02 Geologic Map of the Delta Quadrangle, Delta and Montrose Counties, Colorado
OF-08-03 Geologic Map of the Hoovers Corner Quadrangle OF-08-03 Geologic Map of the Hoovers Corner Quadrangle, Montrose County, Colorado
MS-41 Geologic Map of the Mount Sopris Quadrangle MS-41 Geologic Map of the Mount Sopris Quadrangle, Garfield and Pitkin Counties, Colorado
OF-07-02 Geologic Map of the Montrose East Quadrangle OF-07-02 Geologic Map of the Montrose East Quadrangle, Montrose County, Colorado
OF-07-06 Geologic Map of the Garo Quadrangle OF-07-06 Geologic Map of the Garo Quadrangle, Park County, Colorado
OF-06-04 Geologic Map of the Gunnison Quadrangle OF-06-04 Geologic Map of the Gunnison Quadrangle, Gunnison County, Colorado
OF-06-05 Geologic Map of the Mount Pittsburg Quadrangle OF-06-05 Geologic Map of the Mount Pittsburg Quadrangle, El Paso, Pueblo, and Fremont Counties, Colorado
OF-06-06 Geologic Map of the Palmer Lake Quadrangle OF-06-06 Geologic Map of the Palmer Lake Quadrangle, El Paso County, Colorado
OF-06-09 Geologic Map of the Fairplay East Quadrangle OF-06-09 Geologic Map of the Fairplay East Quadrangle, Park County, Colorado
OF-03-19 Geologic Map of the Manitou Springs Quadrangle OF-03-19 Geologic Map of the Manitou Springs Quadrangle, El Paso and Teller Counties, Colorado
OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle, Costilla and Las Animas Counties, Colorado