abandoned mine lands

Mining's little messes and the trouble with self-bonding

For many decades, natural resource industries would work their land, sell their minerals, and abandon their sites for somebody else to deal with.  There are tens of thousands of such sites around the US, associated with both energy and non-energy minerals; here's a sampling, compiled by the enormously important NGO, Earthworks.  But the costs of these sites can run into the billions, and neither public taxpayers, nor government entities "hosting" the mess, were particularly happy to i

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