Elk River is being poisoned' by coal mining, study finds - The

Elk River Poisoned by Coal Mining

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Environmental groups state Elk River being poisoned by coal mining

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Ej Atlas

Elk River is being poisoned' by coal mining, study finds - The Globe and Mail

Coal mine contamination already high in some Alberta rivers: unreported data

B.C.'s most 'polluting and risky' mines revealed

B.C. and Teck pressured the feds not to investigate coal mine pollution: documents