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The Adventure Mine is a copper mine in Greenland Township, near Greenland, Michigan in Ontonagon County, Michigan [1] that operated from 1850 to 1920. [2] The mine has five shafts. It is open for tours from late May to mid-October, under the operation of the Adventure Mining Company.
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
Copper knife, spearpoints, awls, and spade made from copper deposits mined by Native Americans in Wisconsin from the Late Archaic period, 3000 BC-1000 BC.. Native Americans were the first to mine and work the copper of Lake Superior and the Keweenaw Peninsula of northern Michigan between 5000 BCE and 1200 BCE.
Many copper mines have existed in the Copper Country of the U.S. state of Michigan. These include both large-scale commercial ventures and small operations. These include both large-scale commercial ventures and small operations.
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 ...
The mine was the first Michigan copper mine to switch from fissure mining to amygdaloid mining, when the recently discovered Pewabic amygdaloid lode was found to cross Quincy property in 1856. [9] High-grade fissure veins contained large, pure masses of copper, but the masses could take days or even months to extract, at high cost.
Hancock, Houghton County, Michigan: Quincy Mining Co. Strataform native copper Closed since 1945. Now part of Keweenaw National Historical Park: Cliff: Keweenaw County, Michigan: Pittsburgh & Boston Mining Co. Vein native copper Productive 1845 to 1887 Victoria Mine: Victoria, Ontonagon County, Michigan: Victoria Copper Mining Company Closed in ...
Characterized as "the most beautiful road in Michigan," [citation needed] Brockway Mountain Drive is a 8.9-mile (14.3 km) roadway that follows the spine of a 735-foot (224 m) ridge between the communities of Copper Harbor and Eagle Harbor, and it is the highest-paved road between the Rocky Mountains to the west and the Allegheny Mountains in ...
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