The Argo Goldmine and Mill, Idaho Springs, Colorado. Taken in September 1979.

The Argo Goldmine and Mill, Idaho Springs, Colorado. Taken in September 1979.
The Argo Goldmine and Mill, Idaho Springs, Colorado. Taken in September 1979.
2021
Argo Goldmine Mill Idaho Springs Colorado. Taken September 1979. rockies rocky mountains geology mineral crushing silver pyrites quartz extracting American Colorado 1979