OF-15-02 Geologic Map of the Castor Gulch Quadrangle OF-15-02 Geologic Map of the Castor Gulch Quadrangle, Moffat County, Colorado
OF-15-12 Geologic Map of the Piney Creek Quadrangle OF-15-12 Geologic Map of the Piney Creek Quadrangle, Arapahoe, Douglas, and Elbert Counties, Colorado
OF-15-01 Geologic Map of the Breeze Mountain Quadrangle OF-15-01 Geologic Map of the Breeze Mountain Quadrangle, Moffat and Routt Counties, Colorado
OF-15-07 Geologic Map of the Paonia Quadrangle OF-15-07 Geologic Map of the Paonia Quadrangle, Delta County, Colorado
OF-15-09 Geologic Map of the North Delta Quadrangle OF-15-09 Geologic Map of the North Delta Quadrangle, Delta County, Colorado
OF-15-05 Geologic Map of the Hayden Quadrangle OF-15-05 Geologic Map of the Hayden Quadrangle, Routt County, Colorado
OF-15-08 Geologic Map of the Lazear Quadrangle OF-15-08 Geologic Map of the Lazear Quadrangle, Delta County, Colorado
OF-15-06 Geologic Map of the Crawford Quadrangle OF-15-06 Geologic Map of the Crawford Quadrangle, Delta and Montrose Counties, Colorado
OF-78-04 Surficial Geology OF-78-04 Surficial Geology, North Fork Gunnison River Valley, Delta and Gunnison Counties, Colorado
OF-14-09 Geologic Map of the Whitewater Quadrangle OF-14-09 Geologic Map of the Whitewater Quadrangle, Mesa County, Colorado
OF-14-05 Geologic Map of the Corcoran Point Quadrangle OF-14-05 Geologic Map of the Corcoran Point Quadrangle, Mesa County, Colorado
OF-14-12 Geologic Map of the Craig Quadrangle OF-14-12 Geologic Map of the Craig Quadrangle, Moffat County, Colorado