[Data in metric tons of rare-earth oxide(REO)equivalent content unless otherwise noted]Source:USGS1.Domestic Production and Use Rare earths were not mined domestically in 2017.Bastnaesite,a rare-earth fluorocarbonate mineral,was previously mined as a primary product at Mountain Pass,CA,which was put on careand-maintenance status in the fourth quarter of 2015.The estimated value of rare-earth compounds and metals imported by
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