Historical Towns (7)
Copperopolis, California History
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Union Copper Mine - Copperopolis, California ca. 1865
Copperopolis, California 1860s
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Keystone Copper Mine at Copperopolis, California 1860s
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Copperopolis, California 1860s
This image has been upscaled.
Copperopolis, California 1860s
Reward Poster for 1875 Stage Robbery
Union Copper Mines Company Stock Certificate
