5 April 2015.  Striking United Steelworkers at Marathon Petroleum Corp.’s Kentucky oil refinery will return to work next week for the first time in more than two months, leaving workers at four other U.S. sites still on strike. Union members at Catlettsburg will begin returning to work Monday and take over the operations on April 11.

BLOOMBERG

http://www.bloomberg.com/news/articles/2015-04-04/marathon-catlettsburg

At industryabout.com: Marathon Oil - Catlettsburg Refinery

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