OF-12-06 Geologic Map of the Leadville South Quadrangle OF-12-06 Geologic Map of the Leadville South Quadrangle, Lake County, Colorado
OF-12-08 Geologic Map of the Minturn Quadrangle OF-12-08 Geologic Map of the Minturn Quadrangle, Eagle County, Colorado
OF-11-01 Notes on the Denver Basin Geologic Maps: Bedrock Geology OF-11-01 Notes on the Denver Basin Geologic Maps: Bedrock Geology, Structure, and Isopach Maps of Upper Cretaceous to Paleogene Strata between Greeley and Colorado Springs, Colorado
OF-11-02 Geology of Upper Cretaceous OF-11-02 Geology of Upper Cretaceous, Paleocene and Eocene Strata in the Southwestern Denver Basin, Colorado
MS-49 Geologic Map and Coal Bed Stratigraphy MS-49 Geologic Map and Coal Bed Stratigraphy, Fruitland Formation, Western Archuleta County, 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-10-01 Geologic Map of the Cattle Creek Quadrangle OF-10-01 Geologic Map of the Cattle Creek Quadrangle, Garfield County, Colorado
OF-10-03 Geologic Map of the Severy Creek Watershed OF-10-03 Geologic Map of the Severy Creek Watershed, Teller and El Paso Counties, Colorado
OF-09-02 Geologic Map of the Divide Quadrangle OF-09-02 Geologic Map of the Divide Quadrangle, Teller County, Colorado
OF-09-04 Geologic Map of the Fruita Quadrangle OF-09-04 Geologic Map of the Fruita Quadrangle, Mesa County, Colorado