ON-B-40 Radioactive Mineral Occurrences of Colorado and Bibliography (detail) ON-B-40D Radioactive Mineral Occurrences of Colorado and Bibliography (Data)
ON-B-40 Radioactive Mineral Occurrences of Colorado and Bibliography (detail) ON-B-40M Radioactive Mineral Occurrences of Colorado and Bibliography (Map)
OF-78-08 Location Map of Drill Holes Used for Coal Evaluation in the Denver and Cheyenne Basins ON-OF-78-08M Select geological logs associated with coal resources, Denver and Cheyenne Basins, 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
MI-10 Basic Data Release 35 MI-10 Basic Data Release 35, Hydrologic and Geophysical Data from the Piceance Basin, Colorado
MI-11 Basic Data Release 36 MI-11 Basic Data Release 36, Hydrologic and Water-Quality Data in Western Jefferson County, Colorado
OF-78-08 Location Map of Drill Holes Used for Coal Evaluation in the Denver and Cheyenne Basins OF-78-08 Location Map of Drill Holes Used for Coal Evaluation in the Denver and Cheyenne Basins, Colorado