OF-08-16 Geologic Map of the Dakan Mountain Quadrangle OF-08-16 Geologic Map of the Dakan Mountain Quadrangle, Douglas, Teller and El Paso Counties, Colorado
OF-08-17 Geologic Map of the Larkspur Quadrangle OF-08-17 Geologic Map of the Larkspur Quadrangle, Douglas and El Paso Counties, Colorado
IS-75 Colorado Mineral and Energy Industry Activities 2006 IS-75 Colorado Mineral and Energy Industry Activities 2006
RS-42 Geology and Mineral Resources of Lake County RS-42 Geology and Mineral Resources of Lake County, Colorado
RS-44 Geology and Mineral Resources of Saguache County RS-44 Geology and Mineral Resources of Saguache County, Colorado
RS-46 Proceedings of the 43rd Forum on the Geology of Industrial Minerals RS-46 Proceedings of the 43rd Forum on the Geology of Industrial Minerals
OF-07-04 Geologic Map of the Ponderosa Park Quadrangle OF-07-04 Geologic Map of the Ponderosa Park Quadrangle, Douglas and Elbert Counties, Colorado