OF-02-04 Geologic Map of the Monument Quadrangle OF-02-04 Geologic Map of the Monument 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
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-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado
OF-00-03 Geologic Map of the Colorado Springs Quadrangle OF-00-03 Geologic Map of the Colorado Springs Quadrangle, El Paso County, Colorado
OF-00-12 Demonstrated Reserve Base for Coal in Colorado: Yampa Coal Field OF-00-12 Demonstrated Reserve Base for Coal in Colorado: Yampa Coal Field
OF-99-05 Geologic Map of the Hunter Mesa Quadrangle OF-99-05 Geologic Map of the Hunter Mesa Quadrangle, Garfield County, Colorado
OF-99-06 Geologic Map of the Durango East Quadrangle OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado
OF-99-07 Geologic Map of the Mt. Sopris Quadrangle OF-99-07 Geologic Map of the Mt. Sopris Quadrangle, Garfield and Pitkin Counties, Colorado