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Twin Metals LLC is seeking approval to create and operate a copper sulfide mine near Ely, Minnesota, on Superior National Forest land. There has been significant opposition to the proposed mine, most notably because of its proximity to the Boundary Waters Canoe Area Wilderness, location within a watershed that drains into the BWCA, and the air, water, light and noise pollution and traffic ...
Eleven mines operated in the range, with five in the Ely area. The Ely Trough, a synclinal fold, produced 70 million metric tons from the Chandler, Pioneer, Zenith, Sibley and Savoy mines. The largest mine in the range, Soudan, was closed in 1962, and the last mine in the Ely area closed in 1964. [2]
27-19142 [3] GNIS feature ID. 0661205 [2] Website. www.ely.mn.us. Ely (/ ˈiːli / EE-lee) [4] is a city in Saint Louis County, Minnesota, United States. The population was 3,268 at the 2020 census. [5] Located on the Vermilion iron range, Ely once had several iron ore mines.
Glencore already owns 82% of PolyMet Mining and has long been the project's main financial backer. It offered Monday to pay around $71 million to raise that stake to 100%, which would take St ...
In 1965, US Steel donated the Soudan Mine to the State of Minnesota to use for educational purposes. [5] The primary underground mining method used was known as cut and fill. This involved mining the ceiling and using Ely Greenstone and other waste rock to artificially raise the floor at the same rate as the ceiling was being mined out.
The Minnesota Supreme Court on Wednesday ruled that the state’s Pollution Control Agency improperly granted permits to a fiercely contested copper-nickel mine and concealed environmental ...
The Soudan Iron-Formation is exposed in & around the town of Soudan, Minnesota at roadcuts, glacially-eroded outcrop knobs, surface mines, and underground mines. The best exposures are at Soudan Underground Mine State Park. The Soudan Mine targeted high-grade iron ore (specularite) for many decades and closed in the early 1960s.
1888. Closed. 1893. The Paulson Mine is a former iron ore mine located in Cook County, Minnesota, United States, 53 kilometres north-west of Grand Marais, Minnesota near the end of the historic Gunflint Trail. The Port Arthur, Duluth and Western Railway was built to the mine in 1892 to access the ore, but both the mine and railway failed.