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
OF-05-04 Geologic Map of the Como Quadrangle OF-05-04 Geologic Map of the Como Quadrangle, Park County, Colorado
OF-05-05 Geologic Map of the Almont Quadrangle OF-05-05 Geologic Map of the Almont Quadrangle, Gunnison 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