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Cyanide plant of Trojan Mining Company in Trojan, 1919. As early as 1877, gold was known to be inside Bald Mountain and Green Mountain, located in the Trojan area. By 1900, many claims had been sorted out into only a few, and by 1911, the Trojan Mining Company held the majority of them.
Cleveland-Cliffs manages and operates four iron ore mines in Minnesota and two mines in Michigan, one of which, the Empire Mine, has been indefinitely idled. [3] These mines produce various grades of iron ore pellets, including standard and fluxed, for use in blast furnaces as part of the steelmaking process as well as Direct Reduced (DR) grade pellets for use in direct reduced iron (DRI ...
The company built a mill and smelter in 1883. During the mining operations, a large lump of tin weighing 1,200 pounds (540 kg) was melted from hand-picked cassiterite deposits; the miners described it as being as "big as a small boy." This tin was displayed to potential shareholders in London, England in order to raise support for the company.
Indigenous activists praised a recent federal government proposal to ban new mineral exploration in a swath of South Dakota’s Black Hills National Forest for 20 years but said it falls short by ...
The United States Court of Claims on June 13, 1979, in a 5-2 majority, decided that the 1877 Act that seized the Black Hills from the Sioux was a violation of the Fifth Amendment. [6] On July 31, 1979, the Sioux were awarded $17.5 million with 5 percent interest totaling $105 million. However, the victory was short lived.
The area of Mineral Ridge was primarily a farming community, with some coal mining in the 1830s. In the mid-1850s, John Lewis, superintendent of the Mineral Ridge Coal Mines, discovered black band iron ore beneath the layers of coal ore, leading to a boom of companies working with the blast furnaces of Brier Hill, Niles, and later, Mineral Ridge itself. [6]
In 1876, settlers Fred and Moses Manuel, Alex Engh, and Hank Harney discovered the Homestake deposit during the Black Hills Gold Rush. The Black Hills had been guaranteed to the Lakota Nation by the Fort Laramie Treaty, but the land was stolen for its gold. [4] A trio of mining entrepreneurs, George Hearst, Lloyd Tevis, and James Ben Ali Haggin ...
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