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The mine has a steady decline plunging to 1,774 feet below sea level. The mine is the deepest point in the United States where a car can be driven, down a ramp used by specialist mining vehicles. In 2022, Eagle Mine was used to set a Guinness World Record for the greatest altitude change achieved by an electric vehicle. [1] [2]
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
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.
The Back Forty Mine is a proposed open-pit metallic sulfide mine targeting gold and zinc deposits in Menominee County in the South Central part of Michigan's Upper Peninsula next to the Menominee River. Aquila Resources submitted its first permit applications to the state of Michigan in 2015. [1]
Today the area has largely recovered from the scars left behind by the iron-mining boom days. The Gogebic Range has developed a tourism industry featuring ski resorts and waterfalls. After being clearcut during the unregulated lumbering era during the 19th and early 20th centuries, nearly the entire area has re-grown into extensive second ...
Pages in category "Mines in Michigan" The following 12 pages are in this category, out of 12 total. ... This page was last edited on 21 August 2017, ...
But groups representing the miners dispute that and say they are trapped up to 2.5 kilometers (1.5 miles) below the surface in one of the country's deepest mines and a proper rescue operation ...
This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera 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.