OF-13-05 Geologic Map of the Orchard City Quadrangle OF-13-05 Geologic Map of the Orchard City Quadrangle, Delta County, Colorado
OF-12-09 Geologic Map of the Climax Quadrangle OF-12-09 Geologic Map of the Climax Quadrangle, Lake and Park Counties, Colorado
OF-12-03 Geologic Map of the Eastonville Quadrangle OF-12-03 Geologic Map of the Eastonville Quadrangle, Elbert 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-12-05 Geologic Map of the Falcon Quadrangle OF-12-05 Geologic Map of the Falcon Quadrangle, El Paso County, Colorado
OF-12-06 Geologic Map of the Leadville South Quadrangle OF-12-06 Geologic Map of the Leadville South Quadrangle, Lake County, Colorado
OF-12-01 Geologic Map of the Antero Reservoir Quadrangle OF-12-01 Geologic Map of the Antero Reservoir Quadrangle, Park and Chaffee Counties, Colorado
OF-12-07 Geologic Map of the Marmot Peak Quadrangle OF-12-07 Geologic Map of the Marmot Peak Quadrangle, Chaffee and Park Counties, Colorado
OF-12-08 Geologic Map of the Minturn Quadrangle OF-12-08 Geologic Map of the Minturn Quadrangle, Eagle County, 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
OF-11-03 Cross-sections of the Fresh-water-bearing Strata of the Denver Basin between Greeley and Colorado Springs OF-11-03 Cross-sections of the Fresh-water-bearing Strata of the Denver Basin between Greeley and Colorado Springs, Colorado
OF-11-04 Geologic Map of the Jones Hill Quadrangle OF-11-04 Geologic Map of the Jones Hill Quadrangle, Park County, Colorado