MarcellusGas-240087708242944001 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| RT @shaledaily: Pennsylvania Unconventional Gas Output Soaring http://t.co/1mLt9DDH Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail