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Soon other mines opened in Ely: The Pioneer Mine (1889), the Zenith (1892), the Savoy (1899), and the Sibley (1899). The Pioneer was by far the most productive, producing 41 million tons or 40% of the Vermilion Range's entire output. Eventually 11 mines opened near Ely. In 1967 the Pioneer mine closed.
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]
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 ...
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.
The Oliver Iron Mining Company was a mining company operating in Minnesota, United States. It was one of the most prominent companies in the early decades of mining on the Mesabi Range. As a division of U.S. Steel, Oliver dwarfed its competitors—in 1920, it operated 128 mines across the region, while its largest competitor operated only 65.
The Minnesota Valley Canning Company sold cream style corn and then peas before becoming Green Giant in 1950. [154] Minnesota Mining and Manufacturing Company (3M) was founded in 1902 in Two Harbors, Minnesota, and was later moved to Duluth, Saint Paul, and then Maplewood. The founders of 3M got their start by manufacturing sandpaper.
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.