OF-04-09 Geologic Map of the Vallecito Reservoir Quadrangle OF-04-09 Geologic Map of the Vallecito Reservoir Quadrangle, La Plata County, Colorado
OF-02-07 Geologic Map of the Breckenridge Quadrangle OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado
OF-98-04 Geologic Map of the Cameron Mountain Quadrangle OF-98-04 Geologic Map of the Cameron Mountain Quadrangle, Chaffee, Park, and Fremont Counties, Colorado
OF-97-04 Geologic Map of the Cottonwood Pass Quadrangle OF-97-04 Geologic Map of the Cottonwood Pass Quadrangle, Eagle and Garfield Counties, Colorado
OF-97-06 Geologic Map of the Salida East Quadrangle OF-97-06 Geologic Map of the Salida East Quadrangle, Chaffee and Fremont Counties, Colorado
MS-31 Geologic Map of the Glenwood Springs Quadrangle MS-31 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado
OF-95-04 Geologic Map of the Shoshone Quadrangle OF-95-04 Geologic Map of the Shoshone Quadrangle, Garfield County, Colorado