OF-13-03 Geologic Map of the Meeker Quadrangle OF-13-03 Geologic Map of the Meeker Quadrangle, Rio Blanco County, Colorado
OF-13-04 Geologic Map of the Milner Quadrangle OF-13-04 Geologic Map of the Milner Quadrangle, Routt County, Colorado
OF-13-05 Geologic Map of the Orchard City Quadrangle OF-13-05 Geologic Map of the Orchard City Quadrangle, Delta County, Colorado
OF-12-05 Geologic Map of the Falcon Quadrangle OF-12-05 Geologic Map of the Falcon Quadrangle, El Paso County, Colorado
OF-12-04 Geologic Map of the Elbert Quadrangle OF-12-04 Geologic Map of the Elbert Quadrangle, Elbert and El Paso Counties, Colorado
OF-12-01 Geologic Map of the Antero Reservoir Quadrangle OF-12-01 Geologic Map of the Antero Reservoir Quadrangle, Park and Chaffee Counties, Colorado
OF-11-04 Geologic Map of the Jones Hill Quadrangle OF-11-04 Geologic Map of the Jones Hill Quadrangle, Park County, Colorado
OF-10-02 Geologic Map of the Center Mountain Quadrangle OF-10-02 Geologic Map of the Center Mountain Quadrangle, Garfield County, Colorado
OF-09-03 Geologic Map of the Elizabeth Quadrangle OF-09-03 Geologic Map of the Elizabeth Quadrangle, Elbert County, Colorado
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
OF-08-12 Geologic Map of the Cameron Mountain Quadrangle OF-08-12 Geologic Map of the Cameron Mountain Quadrangle, Chaffee, Park, and Fremont Counties, Colorado