OF-01-04 Geologic Map of the Basin Mountain Quadrangle OF-01-04 Geologic Map of the Basin Mountain Quadrangle, La Plata County, Colorado
OF-03-08 Geologic Map of Falcon NW Quadrangle OF-03-08 Geologic Map of Falcon NW 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-02-07 Geologic Map of the Breckenridge Quadrangle OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado
OF-01-03 Geologic Map of the Pikeview Quadrangle OF-01-03 Geologic Map of the Pikeview Quadrangle, El Paso County, Colorado
OF-00-04 Geologic Map of the Hesperus Quadrangle OF-00-04 Geologic Map of the Hesperus Quadrangle, La Plata and Montezuma Counties, Colorado
OF-97-01 Geologic Map of the Rules Hill Quadrangle OF-97-01 Geologic Map of the Rules Hill Quadrangle, La Plata County, Colorado
OF-96-01 Geologic Map of the Cattle Creek Quadrangle OF-96-01 Geologic Map of the Cattle Creek Quadrangle, Garfield County, Colorado
OF-96-02 Geologic Map of the Center Mountain Quadrangle OF-96-02 Geologic Map of the Center Mountain Quadrangle, Garfield County, Colorado
OF-95-04 Geologic Map of the Shoshone Quadrangle OF-95-04 Geologic Map of the Shoshone Quadrangle, Garfield County, Colorado
OF-91-01 Identification and Remediation of a Mine Flooding Problem OF-91-01 Identification and Remediation of a Mine Flooding Problem, Rico, Dolores County, Colorado with Discussion of the Use of Tracer Dyes
OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem, Rico, Dolores County, Colorado