Mining town
Mining town, Eureka, San Juan County, Colorado, circa 1900. Photo credit: William Henry Jackson. CGS media archive.

Geology, Minerals, Publications

Re-introducing: Historic Metal Mining Districts

As the reconstruction of our website continues, we recently redeployed a popular package of information that was compiled and made available by former CGS Senior Minerals Geologist, Mr. James Burnell, during the 2010s. Referencing a variety of sources, Burnell researched most of the major districts around the state. Each district…