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  2. Copper mining in Michigan - Wikipedia

    en.wikipedia.org/wiki/Copper_mining_in_Michigan

    Copper mining in the Upper Peninsula boomed, and from 1845 until 1887 (when it was exceeded by Butte, Montana) the Michigan Copper Country was the nation's leading producer of copper. In most years from 1850 through 1881, Michigan produced more than three-quarters of the nation's copper, and in 1869 produced more than 95% of the country's copper.

  3. List of mines in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_mines_in_Michigan

    Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper

  4. Copper Country - Wikipedia

    en.wikipedia.org/wiki/Copper_Country

    13-oz. nugget of native copper, Keweenaw County, Michigan.Size 9.5 x 8.6 x 1.7 cm. Native copper from the Keweenaw Peninsula Michigan about 2.5 inches (6.4 cm) long. Copper Country is highly unusual among mining districts in that the copper mined was predominantly in its elemental ("native") form, rather than in the form of compounds (mostly oxides and sulfides) that form the basis of the ...

  5. Eagle Mine (Michigan) - Wikipedia

    en.wikipedia.org/wiki/Eagle_Mine_(Michigan)

    The Eagle Mine is a small, high-grade nickel mining and copper mining project owned by Lundin Mining. The mine is located on the Yellow Dog Plains in the Upper Peninsula of Michigan in the United States. Eagle is the only primary nickel mine in the United States. The mine began production in fall 2014 and is expected to produce 440 million ...

  6. Keweenaw Peninsula - Wikipedia

    en.wikipedia.org/wiki/Keweenaw_Peninsula

    Part of the greater landmass of the Upper Peninsula, the Keweenaw Peninsula projects about 65 miles (105 km) northeasterly into Lake Superior, forming Keweenaw Bay. The peninsula is part of Michigan's Copper Country region, as the region was home to the first major copper mining boom in the United States. Copper mining was active in this region ...

  7. Quincy Mine - Wikipedia

    en.wikipedia.org/wiki/Quincy_Mine

    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 ...

  8. List of Copper Country mines - Wikipedia

    en.wikipedia.org/wiki/List_of_Copper_Country_mines

    Peninsula mine - Ontonagon County; Pennsylvania Copper Mine - Delaware, Keweenaw County; Petherick mine - Keweenaw County; Pewabic mine - Pewabic, Houghton County; one shaft north of the Quincy Mine; acquired by Quincy in 1891 and renamed to the Quincy #6 shaft; Phoenix mine - Phoenix, Keweenaw County; Pit 69 - Isle Royale, Keweenaw County

  9. Upper Peninsula of Michigan - Wikipedia

    en.wikipedia.org/wiki/Upper_Peninsula_of_Michigan

    The Upper Peninsula's mines produced more mineral wealth than the California Gold Rush, especially after shipping was improved by the opening of the Soo Locks in 1855 and docks in Marquette in 1859. The Upper Peninsula supplied 90% of America's copper by the 1860s.