Shale development big boost for steel industry http://t.co/s aspwv2013-10-07T00:00:00-04:00October 7th, 2013|Twitter| Shale development big boost for steel industry http://t.co/slt9jDuquu via @PghBizTimes Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail