OF-16-05 Geologic Map of the Longmont Quadrangle OF-16-05 Geologic Map of the Longmont Quadrangle, Boulder and Weld Counties, Colorado
OF-15-02 Geologic Map of the Castor Gulch Quadrangle OF-15-02 Geologic Map of the Castor Gulch Quadrangle, Moffat County, Colorado
OF-15-01 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-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