MarcellusGas-216239212687667200 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| Crawford Co., PA joins study of #NaturalGas for use in its fleets – http://t.co/IA7koZwp #CNG #Marcellus #NatGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail