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Mining Using Cyanide To Extract Gold

Sep 13 2019018332Gold mining companies use it to extract the gold from lowgrade ore The cyanide ends up in tailings that in turn often end up in oceans rivers and lakes A 2012 report by Earthworks and MiningWatch Canada and studies going back to 1991 show cyanide and other toxic metals in mine waste the industry calls this effluent end up

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