MS-38 Geologic Map of the Glenwood Springs Quadrangle MS-38 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado
OF-07-07 Geologic Map of the Mount Deception Quadrangle OF-07-07 Geologic Map of the Mount Deception Quadrangle, Teller and El Paso Counties, Colorado
OF-06-10 Geologic Map of the Maysville Quadrangle OF-06-10 Geologic Map of the Maysville Quadrangle, Chaffee County, Colorado
OF-06-06 Geologic Map of the Palmer Lake Quadrangle OF-06-06 Geologic Map of the Palmer Lake Quadrangle, El Paso County, Colorado
OF-03-19 Geologic Map of the Manitou Springs Quadrangle OF-03-19 Geologic Map of the Manitou Springs Quadrangle, El Paso and Teller Counties, Colorado
OF-05-08 Geologic Map of the Buena Vista West Quadrangle OF-05-08 Geologic Map of the Buena Vista West Quadrangle, Chaffee County, Colorado
OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle, Costilla and Las Animas Counties, Colorado
OF-04-03 Geologic Map of the Alma Quadrangle OF-04-03 Geologic Map of the Alma Quadrangle, Park and Summit Counties, Colorado
OF-03-20 Geologic Map of the Copper Mountain Quadrangle OF-03-20 Geologic Map of the Copper Mountain Quadrangle, Summit, Eagle, Lake, and Park Counties, Colorado
OF-04-04 Geologic Map of the Buena Vista East Quadrangle OF-04-04 Geologic Map of the Buena Vista East Quadrangle, Chaffee County, Colorado
OF-04-09 Geologic Map of the Vallecito Reservoir Quadrangle OF-04-09 Geologic Map of the Vallecito Reservoir Quadrangle, La Plata County, Colorado
OF-03-21 Geologic Map of the Electra Lake 7.5-Minute Quadrangle OF-03-21 Geologic Map of the Electra Lake 7.5-Minute Quadrangle, La Plata County, Colorado