Clean-up costs of old mines are an investment risk

FINANCIAL TIMES đź”’| Few people have heard of the Holden copper mine. But its story provides an insight on a pressing issue for many natural resource companies: cleaning up exhausted mines.

In the first half of the 20th century, Holden was one of the largest copper mines in the US. When it closed in 1957 the idea of restoring the post-mined landscape was in its infancy.

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