According to @EIAgov, “essentially all (99%) hydrocarbon pro aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| According to @EIAgov, “essentially all (99%) hydrocarbon production from the Marcellus Shale has been from horizont… https://t.co/ub82Dtc8SQ Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail