RS-48 Beach placer mineral deposits along localized paleoshorelines of the Western Interior Seaway RS-48 Beach Placer Mineral Deposits along Localized Paleoshorelines of the Western Interior Seaway, Upper Cretaceous Fox Hills Sandstone, Eastern Denver Basin, Colorado
ON-007-03 Mineral Resource Potential Derivative Map (detail) ON-007-03M Mineral Resource Potential Derivative (Map)
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)
ON-007-08 Historic Mining Districts of Colorado (detail) ON-007-08M Historic Metal Mining Districts of Colorado (Map) – v20201112
ON-007-08 Historic Mining Districts of Colorado (detail) ON-007-08D Historic Metal Mining Districts of Colorado (Data) – v20201112
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
IS-82 Colorado Mineral and Energy Industry Activities 2018-2019 IS-82 Colorado Mineral and Energy Industry Activities 2018-2019
IS-81 Colorado Mineral and Energy Industry Activities 2017-2018 IS-81 Colorado Mineral and Energy Industry Activities 2017-2018
RS-47 Reconnaissance of Potential Sand Sources in Colorado for Hydraulic Fracturing RS-47 Reconnaissance of Potential Sand Sources in Colorado for Hydraulic Fracturing
IS-80 Colorado Mineral and Energy Industry Activities 2016-2017 IS-80 Colorado Mineral and Energy Industry Activities 2016-2017