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-12-04 Geologic Map of the Elbert Quadrangle OF-12-04 Geologic Map of the Elbert Quadrangle, Elbert and El Paso Counties, Colorado
OF-12-03 Geologic Map of the Eastonville Quadrangle OF-12-03 Geologic Map of the Eastonville Quadrangle, Elbert 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-09-02 Geologic Map of the Divide Quadrangle OF-09-02 Geologic Map of the Divide Quadrangle, Teller County, Colorado
OF-09-03 Geologic Map of the Elizabeth Quadrangle OF-09-03 Geologic Map of the Elizabeth Quadrangle, Elbert County, Colorado
OF-08-14 Geologic Map of the Dotsero Quadrangle OF-08-14 Geologic Map of the Dotsero Quadrangle, Garfield and Eagle Counties, Colorado
OF-08-16 Geologic Map of the Dakan Mountain Quadrangle OF-08-16 Geologic Map of the Dakan Mountain Quadrangle, Douglas, Teller and El Paso Counties, Colorado
MS-41 Geologic Map of the Mount Sopris Quadrangle MS-41 Geologic Map of the Mount Sopris Quadrangle, Garfield and Pitkin Counties, 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