OF-12-06 Geologic Map of the Leadville South Quadrangle OF-12-06 Geologic Map of the Leadville South Quadrangle, Lake County, Colorado
OF-06-10 Geologic Map of the Maysville Quadrangle OF-06-10 Geologic Map of the Maysville Quadrangle, Chaffee County, 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-02-07 Geologic Map of the Breckenridge Quadrangle OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado
OF-01-05 Geologic Map of the Georgetown Quadrangle OF-01-05 Geologic Map of the Georgetown Quadrangle, Clear Creek County, Colorado
OF-00-02 Geologic Map of the Idaho Springs Quadrangle OF-00-02 Geologic Map of the Idaho Springs Quadrangle, Clear Creek County, Colorado