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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 Pyne Mine ： ウィキペディア英語版 Pyne Mine The Pyne Mine was a vertical shaft iron ore mine operated by the Woodward Iron Company and located near the Lacey's Chapel community outside Bessemer, Alabama in Shades Valley. It was, along with Woodward's Songo Mine, one of only two shaft mines dug in the Birmingham District, and the last ore mine to operate in the region, closing in 1971. ==Operation== Drilling began for the mine's , concrete-lined vertical shaft in 1918 a few miles south of the Tennessee Coal, Iron and Railroad Company's Muscoda mines. The slope mines built near the ridge of Red Mountain were depleting the most accessible parts of the Clinton formation ore seams. Pyne was built over a "down dip" in the seam, beyond the lower extent of the Muscoda tunnels. Operations ceased after only a few years of production due to the post-war drop in demand. The shaft was left to flood and the surface works closed down. With the renewed demands of World War II the mine was reopened in 1942. 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「Pyne Mine」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.