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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 Opekiska Lock and Dam ： ウィキペディア英語版 Opekiska Lock and Dam Opekiska Lock and Dam is a navigational lock and gated dam on the Monongahela River at Lowsville, West Virginia. It is part of a series of dams that canalizes the Monongahela to a depth of at least for its entire length from Fairmont, West Virginia to Pittsburgh, Pennsylvania. It is maintained by the U.S. Army Corps of Engineers' Pittsburgh District. Opekiska has a single lock chamber located on the right-descending river bank. The dam's upper pool extends about upstream to the Monongahela's source at Fairmont, West Virginia. The pool also extends up the Monongahela's two primary tributaries, the Tygart Valley River and the West Fork River. Opekiska's downstream pool is formed by Hildebrand Lock and Dam. ==History== Construction on Opekiska Lock and Dam began in 1961 and was completed in 1964.〔(USACE Pittsburgh District: Opekiska Lock and Dam, accessed April 3, 2008 )〕 It replaced old Locks 14 and 15, timber crib structures completed about 1903. Due to cost issues, it was closed to recreational boater use in 2012. 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「Opekiska Lock and Dam」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.