MarcellusGas-228474490701639681 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| VIDEO: Allegheny Co. Weighs #ShaleGas Drilling At @PITairport http://t.co/X034eIBt #Marcellus #NaturalGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail