RT @TribLIVE: ICYMI: Pa. shale gas production eclipsed 4 tri aspwv2015-02-19T00:00:00-05:00February 19th, 2015|Twitter| RT @TribLIVE: ICYMI: Pa. shale gas production eclipsed 4 trillion cubic feet in 2014 http://t.co/H215pmDNqQ via @katelynferral http://t.co/… Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail