OF-18-12 Geology and Groundwater Resources of Elbert County OF-18-12 Geology and Groundwater Resources of Elbert County, Colorado
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-010D Colorado Groundwater Atlas - v20210304 (detail) ON-010M Colorado Groundwater Atlas (Map) – v20210304
ON-010-02D Colorado Statewide Alluvial Aquifer (detail) ON-010-02D Colorado Statewide Alluvial Aquifer (Data)
ON-010-02D Colorado Statewide Alluvial Aquifer (detail) ON-010-02M Colorado Statewide Alluvial Aquifer (Map)
ON-010D Colorado Groundwater Atlas - v20210304 (detail) ON-010D Colorado Groundwater Atlas (Data) – v20210304
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
ON-B-40 Radioactive Mineral Occurrences of Colorado and Bibliography (detail) ON-B-40M Radioactive Mineral Occurrences of Colorado and Bibliography (Map)
ON-B-40 Radioactive Mineral Occurrences of Colorado and Bibliography (detail) ON-B-40D Radioactive Mineral Occurrences of Colorado and Bibliography (Data)
OF-20-05 Geologic Map of the Greeley Quadrangle OF-20-05 Geologic Map of the Greeley Quadrangle, Weld County, Colorado
OF-20-03 Geologic Map of the Bracewell Quadrangle OF-20-03 Geologic Map of the Bracewell Quadrangle, Weld County, Colorado