OF-22-13D Digital Compilation of Surficial and Bedrock Geology of the Delta 30x60 Minute Quadrangle OF-22-13D Digital Compilation of Surficial and Bedrock Geology of the Delta 30×60 Minute Quadrangle, Delta, Mesa, and Montrose Counties, Colorado (Data)
OF-22-16D Digital Compilation of Surficial and Bedrock Geology of the Montrose 30x60 Minute Quadrangle OF-22-16D Digital Compilation of Surficial and Bedrock Geology of the Montrose 30×60 Minute Quadrangle, Gunnison, Hinsdale, Montrose, Ouray, and San Miguel Counties, Colorado (Data)
MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978 (detail) MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978
OF-16-06 Geologic Map of the Roubideau Quadrangle OF-16-06 Geologic Map of the Roubideau Quadrangle, Delta and Montrose Counties, Colorado
OF-15-06 Geologic Map of the Crawford Quadrangle OF-15-06 Geologic Map of the Crawford Quadrangle, Delta and Montrose Counties, Colorado
MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado|MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado
MS-06 Energy Resource Development Map of Colorado (detail) MS-06 Energy Resource Development Map of Colorado
OF-14-09 Geologic Map of the Whitewater Quadrangle OF-14-09 Geologic Map of the Whitewater Quadrangle, Mesa 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