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The Khewra mine is one of the largest gypsum mines in Pakistan. The mine is located in Punjab.〔 The mine has reserves amounting to 25 million tonnes of gypsum.〔 == 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「Khewra mine」の詳細全文を読む スポンサード リンク
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