RT @PghBizTimes: Professor: Marcellus Shale development lift aspwv2014-10-21T00:00:00-04:00October 21st, 2014|Twitter| RT @PghBizTimes: Professor: Marcellus Shale development lifted construction industry http://t.co/AuEJuUA0IE Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail