MarcellusGas-190465743496806400 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| RT @AmChemistry: Marcellus #shale is #PA’s “manna from heaven.” http://t.co/c0zQbjRh #Chemistry2Energy #NatGasPA Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail