OF-22-14D Digital Compilation of Surficial and Bedrock Geology of the Grand Junction 30x60 Minute Quadrangle OF-22-14D Digital Compilation of Surficial and Bedrock Geology of the Grand Junction 30×60 Minute Quadrangle, Delta, Garfield and Mesa Counties, Colorado (Data)
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-19-05 Geologic Map of the Hells Kitchen Quadrangle OF-19-05 Geologic Map of the Hells Kitchen Quadrangle, Delta and Mesa Counties, Colorado
OF-19-08 Geologic Map of the Mesa Lakes Quadrangle OF-19-08 Geologic Map of the Mesa Lakes Quadrangle, Mesa and Delta Counties, Colorado
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-15-07 Geologic Map of the Paonia Quadrangle OF-15-07 Geologic Map of the Paonia Quadrangle, Delta County, Colorado
OF-15-09 Geologic Map of the North Delta Quadrangle OF-15-09 Geologic Map of the North Delta Quadrangle, Delta County, Colorado
OF-15-08 Geologic Map of the Lazear Quadrangle OF-15-08 Geologic Map of the Lazear Quadrangle, Delta County, 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-19 The Coal Bed Methane Resources of Colorado (detail) MS-19 The Coal Bed Methane Resources of 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