Inclined railway into 8,000-foot shaft at Empire Mine State Historic Park. Grass Valley, CA.

Inclined railway into 8,000-foot shaft at Empire Mine State Historic Park. Grass Valley, CA. On National Register.

Inclined railway into 8,000-foot shaft at Empire Mine State Historic Park. Grass Valley, CA. On National Register.
Photo by Jim Steinhart © 2016, all rights reserved. (Ref: CAGGB011)

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Empire Mine State Historic Park, Grass Valley, CA