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-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
ON-008-04 U.S. Forest Service Abandoned Mine Land Inventory Project Colorado (detail) ON-008-04D U.S. Forest Service Abandoned Mine Land Inventory Project – Colorado (Data) – v20200820
IS-82 Colorado Mineral and Energy Industry Activities 2018-2019 IS-82 Colorado Mineral and Energy Industry Activities 2018-2019
ON-008-04 U.S. Forest Service Abandoned Mine Land Inventory Project Colorado (detail) ON-008-04M U.S. Forest Service Abandoned Mine Land Inventory Project – Colorado (Map) – v20210214
IS-81 Colorado Mineral and Energy Industry Activities 2017-2018 IS-81 Colorado Mineral and Energy Industry Activities 2017-2018
OF-17-06 Geologic Map of the Boreas Pass Quadrangle OF-17-06 Geologic Map of the Boreas Pass Quadrangle, Park and Summit Counties, Colorado
B-05 Reconnaissance of the Geology of the Rabbit Ears Region B-05 Reconnaissance of the Geology of the Rabbit Ears Region, Routt, Grand, and Jackson Counties, Colorado
IS-79 Colorado Mineral and Energy Industry Activities 2015-2016 IS-79 Colorado Mineral and Energy Industry Activities 2015-2016