RT @PghBizTimes: Marcellus wells in Pennsylvania most produc aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| RT @PghBizTimes: Marcellus wells in Pennsylvania most productive in U.S.: Report. https://t.co/LMMjv8j4VF Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail