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The main mercury kiln and distillation unit at the New Idria mine.
New Idria, CA (1969).
Cinnabar is the distinctive bright red ore of mercury.
Aurora Mine, near New Idria, CA (1969).
For over one hundred years mercury was mined with underground tunnels at New Idria.
New Idria, CA (1969).
Many small mercury mines and simple "pot" stills are scattered through the coast ranges.
west of San Carlos Creek, north of New Idria, CA (1969).
In its last days, the New Idria mine switched from undergound to open pit.
Aurora Mine, near New Idria, CA (1969).