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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
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 pounds of nickel, 429 million pounds of copper and small amounts of other metals (platinum, palladium ...
In the pit was growing a hemlock nearly 400 years old by the number of growth rings. Mining began in 1848, and from 1855 through 1862, the Minesota was the most productive copper mine in the United States. [1] The mine had ten shafts, the deepest of which extended to a depth of 1200 feet (366 m).
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.
The Delaware Mine is located off U.S. Highway 41, 12 miles (19 km) in Grant Township, Keweenaw County, south of Copper Harbor, Michigan and is a Keweenaw Heritage Site. [1] [2] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw, [2] dating back to 1847. The mine had five shafts, with the deepest reaching ...
Copper mines in Michigan (16 P) Pages in category "Mines in Michigan" The following 12 pages are in this category, out of 12 total.
This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
Kent County Inventory of Underground Mines ; Mapping the Michigan Natural Storage Gypsum Mine Using a Geological Information System ; Alabastine Mine (with photos) CHAPTER XXXVIII: GYPSUM AND PLASTER OF PARIS. - Baxter, Albert, History of the City of Grand Rapids, New York and Grand Rapids: Munsell & Company, Publishers, 1891. (Name Index)