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-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
OF-03-04 Published Faults of the Colorado Front Range (detail) OF-03-04 Published Faults of the Colorado Front Range
OF-02-03 Geologic Map of the Keystone Quadrangle OF-02-03 Geologic Map of the Keystone Quadrangle, Summit 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-02-01 Geologic Map of the Hermosa Quadrangle OF-02-01 Geologic Map of the Hermosa Quadrangle, La Plata County, Colorado
OF-02-13 History OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel 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-00-03 Geologic Map of the Colorado Springs Quadrangle OF-00-03 Geologic Map of the Colorado Springs Quadrangle, El Paso County, Colorado
OF-00-02 Geologic Map of the Idaho Springs Quadrangle OF-00-02 Geologic Map of the Idaho Springs Quadrangle, Clear Creek County, Colorado
RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits
OF-97-03 Geologic Map of the Carbondale Quadrangle OF-97-03 Geologic Map of the Carbondale Quadrangle, Garfield County, Colorado