OF-02-01 Geologic Map of the Hermosa Quadrangle OF-02-01 Geologic Map of the Hermosa Quadrangle, La Plata County, Colorado
OF-02-02 Geologic Map of the Elsmere Quadrangle OF-02-02 Geologic Map of the Elsmere Quadrangle, El Paso County, Colorado
OF-02-03 Geologic Map of the Keystone Quadrangle OF-02-03 Geologic Map of the Keystone Quadrangle, Summit County, Colorado
OF-02-04 Geologic Map of the Monument Quadrangle OF-02-04 Geologic Map of the Monument Quadrangle, El Paso County, Colorado
OF-02-05 Geologic Map of the Cheyenne Mountain Quadrangle OF-02-05 Geologic Map of the Cheyenne Mountain Quadrangle, El Paso County, Colorado
OF-02-06 Geologic Map of the Fort Garland SW Quadrangle OF-02-06 Geologic Map of the Fort Garland SW Quadrangle, Costilla County, Colorado
OF-02-07 Geologic Map of the Breckenridge Quadrangle OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado
RS-40 Geology and Mineral Resources of Park County RS-40 Geology and Mineral Resources of Park County, Colorado
OF-01-02 Geologic Map of the Gibson Gulch Quadrangle OF-01-02 Geologic Map of the Gibson Gulch Quadrangle, Garfield County, Colorado
OF-01-03 Geologic Map of the Pikeview Quadrangle OF-01-03 Geologic Map of the Pikeview Quadrangle, El Paso County, Colorado
OF-01-05 Geologic Map of the Georgetown Quadrangle OF-01-05 Geologic Map of the Georgetown Quadrangle, Clear Creek County, Colorado
OF-00-18 Late Cretaceous Formation Geologic Mapping OF-00-18 Late Cretaceous Formation Geologic Mapping, Outcrop Measured Sections, and Subsurface Stratigraphic Cross Sections, Northern La Plata County, Colorado