Cliffs Natural preparing to idle West Virginia coal mine

|About: Cliffs Natural Resources Inc. (CLF)|By:, SA News Editor

Cliffs Natural Resources (CLF -0.8%) plans to idle its Pinnacle met coal mine in West Virginia unless market conditions improve, according to an SEC filing.

CLF says it has notified workers that it could idle the mine for more than six months starting around Aug. 25, as required under federal law.

Pinnacle produced 2.8M metric tons of coal in 2013.