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Crow Butte
Crow Butte is a uranium mining operation located in Dawes County, Nebraska, U.S.A. Crow Butte is a roll-front uranium deposit discovered in 1980. Uranium is recovered using in-situ recovery (ISR) mining methods. Between 2002 and 2011, the Crow Butte operation has produced 7.6 million pounds U3O8.〔(【引用サイトリンク】url=http://www.cameco.com/mining/crow_butte/ )〕 ==Reserves==
As of December 31, 2013, proven and probable reserves are 928,600 metric tons at an average grade of 0.11% U3O8.〔(【引用サイトリンク】url=http://www.cameco.com/annual_report/2013/mda/mineral-reserves-resources/reserves/ )〕 (2.3 million pounds)
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「Crow Butte」の詳細全文を読む
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