MarcellusGas-243742252386643969 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Two weeks away from SHALE GAS INSIGHT® in #Philadelphia! Register today: http://t.co/mARJTDRW #SGI2012 #Marcellus #ShaleGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail