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Molybdenum Bulgaria Mine

A molybdenum-rhenium mine owned by Molycorp, a subsidiary of Unocal Corp. Produced 4,760 tons of Mo in concentrates 1984. In 2011, the mine was declared a superfund site - on June 2, 2014 the mine was declared permanently closed. Located nine miles from Questa, the mine opened in 1916 as the RampS Molybdenum mine.

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