Английская Википедия:Djebel Onk mine
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Шаблон:Coord Шаблон:Infobox mine The Djebel Onk mine is a large mine located in the Tébessa Province. Djebel Onk represents one of the largest phosphates reserve in Algeria having estimated reserves of 2.8 billion tonnes of ore grading 24% P2O5.[1]
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