Franklin shaft and engine house.
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Franklin copper stamp mill Hancock.
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Huron mine, Houghton mine, Hancock and Houghton, Michigan.
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General view of the Quincy copper mine from the Pewabic, Hancock, Michiagn.
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Hancock and Houghton, Michigan mine railcar.
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Train of empty oar cars rounding the curve at Goose Lake.
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General view of works at Amygdaloid Copper Mountain, Eagle Harbor.
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