Rio Tinto Completing the Mining 'Circle of Life' at Barney's Canyon …
Nearly 30 years ago, the first gold was mined in Barney's Canyon near the site of the world's largest open pit mining operation. Since then, the mine has completed its life cycle, and Rio Tinto Kennecott is restoring the site to resemble the state nature originally intended — at a cost of over $50 million.. Located on the east slope of the …
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