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Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
Flintsteel mine (formerly known as the Nassau mine, Old Flintsteel mine, and the Superior-Nassau Superior mine) - Mass City, Ontonagon County; Florida mine - Florida location, Houghton County; Franklin mine - Franklin; bought by the Quincy Mining Company in 1908; Franklin Jr. mine (originally the Albany and Boston mine; then the Peninsula mine ...
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 ...
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.
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 ...
The Central Mine Historic District is a historic district located off US 41 in Upper Michigan.The mine itself was designated a Michigan State Historic Site in 1958, [3] while the surrounding district was designated a Michigan State Historic Site in 1973 [2] and listed on the National Register of Historic Places in 1974.
Some mines continued to operate into the 1960s, but the volume never reached the same levels as in the earlier boom years. A defining event was the last shipment of iron ore in August 1967 to Granite City Steel in Illinois. Approximately 325 million tons of this ore was mined from around 40 individual mines between 1877 and 1967.
Mines in Michigan (1 C, 12 P) ... 1865 Upper Peninsula miners' strike; C. Calumet and Hecla Mining Company; Copper mining in Michigan; Copper Country strike of 1913 ...