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The Prognoz mine is one of the largest silver mines in Russia and in the world. The mine is located in Sakha Republic.〔 The mine has estimated reserves of 205 million oz of silver.〔 == References == 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「Prognoz mine」の詳細全文を読む スポンサード リンク
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