zinc
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Trevali gets green light to operate Caribou mine
The approval comes following the January signing of a Limited Environmental Liability Agreement
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Some facts about northern Ontario’s massive Ring of Fire mining deposits
Area 500 kilometres northeast of Thunder Bay, Ont., known for chromium, nickel deposits
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Environmental decision over BC smelter may have ripple effect
From 1930 to 1995, Teck Resources intentionally discharged 9.97-million tons of slag into river
