OF-07-01 Geologic Map of the Olathe Quadrangle OF-07-01 Geologic Map of the Olathe Quadrangle, Montrose County, Colorado
OF-07-02 Geologic Map of the Montrose East Quadrangle OF-07-02 Geologic Map of the Montrose East Quadrangle, Montrose County, Colorado
OF-07-04 Geologic Map of the Ponderosa Park Quadrangle OF-07-04 Geologic Map of the Ponderosa Park Quadrangle, Douglas and Elbert Counties, Colorado
OF-07-06 Geologic Map of the Garo Quadrangle OF-07-06 Geologic Map of the Garo Quadrangle, Park County, Colorado
OF-07-07 Geologic Map of the Mount Deception Quadrangle OF-07-07 Geologic Map of the Mount Deception Quadrangle, Teller and El Paso Counties, Colorado
OF-06-10 Geologic Map of the Maysville Quadrangle OF-06-10 Geologic Map of the Maysville Quadrangle, Chaffee 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-06-08 Geologic Map of the Russellville Gulch Quadrangle OF-06-08 Geologic Map of the Russellville Gulch Quadrangle, Douglas and Elbert Counties, 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-06-07 Geologic Map of the Fairplay West Quadrangle OF-06-07 Geologic Map of the Fairplay West Quadrangle, Park County, Colorado