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British Columbia coal mining company Teck Resources has agreed to pay a $60 million fine for polluting rivers upstream of Lake Koocanusa.
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State environmental regulators Friday approved new standards for a heavy metal in Lake Koocanusa and the Kootenai River.
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Montana environmental regulators took the first step last week to tighten pollution rules for toxins flowing into Lake Koocanusa and the Kootenai River....
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The expansion of a British Columbia coal mine upstream of Lake Koocanusa and the Kootenai River will undergo review from the federal Canadian government...