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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ruby Mining District ： ウィキペディア英語版 Ruby Mining District Also known as the Salmon Creek District, the Ruby Mining District is an abandoned mining district in north central Washington State, founded in 1887 by Thomas D. Fuller. The principle mined ore was silver, though, copper, lead, and small amounts of gold were also extracted. ==History== The Moses Indian Reservation was opened to mining in 1886. Almost immediately after, prospectors began rushing into the Okanogan. Out of the many places, one of them was Ruby Mountain. In 1885, a prospector named Thomas D. Fuller built the first cabin in the area in which would later become the town of Ruby. This leads some to believe that him and possible others had been prospecting and mining in the area secretly for some time. As would be assumed, he made the first discoveries in the area after the reservation's opening. Others, including Thomas Donan, William Milligan, and John Clonan also made some of the first discoveries. In 1887, the district was officially named and designated by Fuller and several others. By this time, the Idaho, First Thought, Second Thought, Poorman, Ruby, Butte, Peacock, War Eagle, Fairview, and Lenora mines were in operation. Later mines include but are not limited to the Kansas, Fourth Of July, Arlington, Last Chance, Woo Loo Moo Loo, Keystone, Johnny Boy, Plant-Callahan, Sonny Boy, Hughes, and Nevada. Some explorational digs and smaller mines remain uncharted and/or unrecorded. In 1893, the price of silver fell to $0.63 an ounce, combined with diminishing silver concentrations the further in they dug, the mines began shutting down after a mere three months of operation that year. Despite the fact silver still existed, it was simply no longer profitable work mining and refining the ore. 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「Ruby Mining District」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.