Mine shaft drill core in park outside South Yuba Canal Building. Nevada City, CA.

Mine shaft drill core (1936) in park outside South Yuba Canal Building. Nevada City, CA.

Mine shaft drill core (1936) in park outside South Yuba Canal Building. Nevada City, CA.
Photo by Jim Steinhart © 2016, all rights reserved. (Ref: CAGGC024)

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Nevada City, CA