OF-13-06 Geologic Map of the Rattlesnake Mesa Quadrangle OF-13-06 Geologic Map of the Rattlesnake Mesa Quadrangle, Rio Blanco County, Colorado
OF-13-07 Geologic Map of the Olathe NW Quadrangle OF-13-07 Geologic Map of the Olathe NW Quadrangle, Delta and Montrose Counties, Colorado
OF-12-09 Geologic Map of the Climax Quadrangle OF-12-09 Geologic Map of the Climax Quadrangle, Lake and Park Counties, Colorado