MarcellusGas-208595219338379264 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| RT @EnergyCitizens: #NatGas Production Quadruples in #Pennsylvania, Thanks to #Marcellus #Shale http://t.co/ZidXn9Lo Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail