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Champion Mill : ウィキペディア英語版 | Champion Mill
Champion Mill, in Lake County, Colorado, is part of a mining complex on the eastern slope of Mount Champion on Halfmoon Creek. Established in the 1890s, it was a consistent supplier of gold and silver, as well as galena and pyrite to the smelters in Leadville, CO. The mine and mill operated until around 1919, when the price to ship the ore to Leadville became too expensive to maintain a profit.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Champion Mill」の詳細全文を読む
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