The old Ruby Mine in June 1886 -- this mine overlooked Downieville -- Sierra Co. Calif. This was a very rich gravel mine in its day.

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Courtesy of UC Berkeley, Bancroft Library

http://www.oac.cdlib.org/ark:/13030/tf0t1nb2sw/?order=1

Title:

The old Ruby Mine in June 1886 -- this mine overlooked Downieville -- Sierra Co. Calif. This was a very rich gravel mine in its day.

Contributing Institution:

UC Berkeley, Bancroft Library