Cliffs Halts Output at Tornado-Damaged Alabama Coking-Coal Mine
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Cliffs Natural Resources Inc., North America’s largest iron-ore producer, halted output at its Oak Grove coking-coal mine in Alabama after a tornado damaged equipment.
Oak Grove, located about 25 miles (40 kilometers) west of Birmingham, produced about 887,000 tons of coal used in steelmaking in 2009, according to Cliff’s website.