MarcellusGas-212222799497019393 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| .@Shell hails North American #natgas potential – via @upi: http://t.co/Nm3zqxKK #ShaleGas #Marcellus Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail