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The Quincy Mine is an extensive set of copper mines located near Hancock, Michigan. The mine was owned by the Quincy Mining Company and operated between 1846 and 1945, although some activities continued through the 1970s. The Quincy Mine was known as "Old Reliable," as the Quincy Mine Company paid a dividend to investors every year from 1868 ...
The Quincy Mine No. 2 Shaft Hoist House is an industrial building located north of Hancock, Michigan along US Highway 41 within the Quincy Mining Company Historic District. The Hoist House contains the largest steam hoisting engine in the world, [3] which sits on the largest reinforced concrete engine foundation ever poured. [3]
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.
The Quincy Mine is an extensive set of copper mines located near Hancock, Michigan. The Quincy Mine was known as "Old Reliable," as the Quincy Mine Company paid a dividend to investors every year from 1868 through 1920. The mine operated between 1846 and 1945, although some activities continued through the 1970s. 32
The Copper Country quickly became the first major copper mining region in the United States. By 1913, the majority of copper in the Copper Country was produced by three companies: the Calumet and Hecla Mining Company, by far the largest and richest mine in the Copper Country, as well as the Quincy Mine and the mines owned by the Copper Range ...
In the mid-1880s, the federal government set minimum harbor lines and stiff penalties for breaching them, [4] and eventually filed suit against the Quincy Mine for dumping in Portage Lake. [5] In addition, Quincy was in the process of acquiring the nearby Pewabic Mine, and management knew they would need to increase the company's stamping ...
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The mine's Quincy Dredge Number One sank in 1956, and Dredge Number Two was used until 1967, [2] when it too sank during a winter lay-up. [4] By this time, copper prices had fallen low enough that the reclamation process was not profitable, and the Quincy Mine abandoned both the dredge and its reclamation facility.