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
OF-06-06 Geologic Map of the Palmer Lake Quadrangle OF-06-06 Geologic Map of the Palmer Lake Quadrangle, El Paso County, Colorado
OF-06-08 Geologic Map of the Russellville Gulch Quadrangle OF-06-08 Geologic Map of the Russellville Gulch Quadrangle, Douglas and Elbert Counties, Colorado