Pennsylvania’s Marcellus Shale play is “world class,” MS aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| Pennsylvania’s Marcellus Shale play is “world class,” MSC’s Spigelmyer said during meetings with papers across the… https://t.co/5HSXjQ7Hpa Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail
