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The Anaconda Company, also known historically as the Anaconda Gold and Silver Mining Company (1881-1891), Anaconda Mining Company (1891-1895), Anaconda Copper Mining Company (1895-1899), Amalgamated Copper Company (1899-1915), and Anaconda Copper Company (1915-1955), was an American mining company headquartered in Butte, Montana. It was one of the largest trusts of the early 20th century and one of the largest mining companies in the world for much

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