ST. LOUIS, Sept. 5, 2012 /PRNewswire/ -- Peabody Energy today said it has ceased production at the Air Quality Mine in Vincennes, Ind., and will permanently close the mine based on soft market conditions that make operations uneconomic. (Logo: http://photos.prnewswire.com/prnh/20120724/CG44353LOGO) Worker Adjustment and Retraining Notification
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