OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado

OF-98-02 Geologic Map of the Ludwig Mountain Quadrangle, La Plata County, Colorado

OF-98-03 Geologic Map of the Leon Quadrangle, Eagle and Garfield Counties, Colorado

OF-97-04 Geologic Map of the Cottonwood Pass Quadrangle, Eagle and Garfield Counties, Colorado

MS-31 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado

MS-01 Geologic, Energy and Mineral Resource Maps of Routt County, Colorado