The data comprising this GIS and data download, digitized in 2020, is a partial compilation of the 1978 CGS publication Bulletin 40 – Radioactive Mineral Occurrences of Colorado (and Bibliography). Funding for this digitization project was from a U.S. Geological Survey National Geological and Geophysical Data Preservation Program (NGGDPP) grant with matching funds provided by the CGS. This two-part report provides an essentially complete listing of radioactive occurrences in Colorado, with a comprehensive bibliography and bibliographic cross-indexes. Part 1 lists approximately 3000 known radioactive occurrences with their locations and brief accounts of the geology, mineralogy, radioactivity, host rock, production data, and source [...]
