OF-22-11 Geologic Map of the Mount Evans Quadrangle OF-22-11 Geologic Map of the Mount Blue Sky (formerly Mount Evans) Quadrangle, Clear Creek and Park Counties, Colorado
OF-20-06 Geologic Map of the Kersey Quadrangle OF-20-06 Geologic Map of the Kersey Quadrangle, Weld County, Colorado
OF-21-01 Geologic Map of the Barnesville Quadrangle OF-21-01 Geologic Map of the Barnesville Quadrangle, Weld County, Colorado
IS-84 Colorado Mineral and Energy Industry Activities 2020-2021 IS-84 Colorado Mineral and Energy Industry Activities 2020-2021
ON-007-09 Reconnaissance Map of Sand ON-007-09D Reconnaissance Map of Sand, Gravel, and Quarry Aggregate Resources, Elbert County, Colorado (Data) – v20220223
OF-19-11 Natural Sources of Mobile Uranium in the Downstream Reach of Colorado’s Arkansas River Valley and Evaluation of Best Management Practices for Mitigation OF-19-11 Natural Sources of Mobile Uranium in the Downstream Reach of Colorado’s Arkansas River Valley and Evaluation of Best Management Practices for Mitigation
OF-19-02 Geologic Map of the Gowanda Quadrangle OF-19-02 Geologic Map of the Gowanda Quadrangle, Weld County, Colorado
OF-21-04 Geologic Map of the Hardin Quadrangle OF-21-04 Geologic Map of the Hardin Quadrangle, Weld County, Colorado
IS-83 Colorado Mineral and Energy Industry Activities 2019-2020 IS-83 Colorado Mineral and Energy Industry Activities 2019-2020