The U.S. Department of the Interior has approved a mining plan change for the Black Butte mine in Sweetwater County, Wyo. The change allows the Black Butte Coal Co. to recover about 9.2 million tons of federal coal in two new areas, known as Pit 15 and Pit 10. “The Black Butte mine expansion strengthens our nation’s Energy Dominance by…
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Voisey’s Bay is now mining underground
Vale has completed construction and commissioning of the Voisey’s Bay mine expansion project, transitioning the Canadian nickel mine from open pit to underground mining. The project involved the development of two underground mines – Reid Brook and Eastern Deeps – which will deliver ore for processing at the company’s Long Harbour, Newfoundland, refinery. Vale said full ramp-up is expected by…
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