RT @investPA: #Marcellus Shale has helped make #PA second la aspwv2013-08-09T00:00:00-04:00August 9th, 2013|Twitter| RT @investPA: #Marcellus Shale has helped make #PA second largest energy field in the world! http://t.co/lTTkQwQtfh Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail