14 June 2017. The gavel is coming down on Mountain Pass tomorrow, as the only producing rare earths mine in the United States goes up for auction. The California mine formerly owned by Molycorp closed in 2015, when the Colorado-based company, once valued at $6 billion, went bankrupt.

MINING.COM

http://www.mining.com/producing-u-s-rare-earths-mine-goes-block-tomorrow

At industryabout.com:

Mountain Pass Rare Eath Mine

USA Industrial Map

 

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