Quincy Unit
The Quincy Unit of the Keweenaw National Historical Park commemorates one of the most remarkable feats of engineering in northern Michigan, the 9,000-foot (2,700 m) deep Quincy Mine shaft. Nicknamed "Old Reliable" for its record of paying annual dividends for decades, the Quincy mine enjoyed a position on the rich copper rock of the Pewabic Lode. A private preservation foundation maintains the Quincy Mine's surface mine hoist, which is the largest steam-powered hoist in the world.
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Quincy Mine plan created by the HAER, National Park Service, Department of the Interior.
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Quincy Smelting Works plan created by the HAER, National Park Service, Department of the Interior.
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Mine Hoist Powerhouse for the Quincy Mine Hoist.
Read more about this topic: Keweenaw National Historical Park
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