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The top documents tagged [kennecott utah copper]
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kennecott utah copper
Rio production.pdf
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20101102 opening the dw
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20101102 Opening The Dw
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Mining removes rocks and minerals that contain useful metals from the Earth’s crust. Metals-2-1 Image: G. Plumlee, USGS.
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Mine Restoration Using Municipal BioSolids Mine Restoration Using Municipal BioSolids Vegetation – “Hello” !
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The Mining Cycle Exploration MiningReclamation Metals-6-1 Images: Martin Miller.
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How metals are recovered from rock
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Useful metals come from rocks and minerals in the Earth’s crust. Metals-1-1 Image: G. Plumlee, USGS.
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2013 International Copper Association Annual Report
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