The Marcellus & Utica Shale formations contain an est. m aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| The Marcellus & Utica Shale formations contain an est. mean of 214 trillion cubic feet of undiscovered, technically… https://t.co/uD47TFoAzw Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail