MarcellusGas-171626052970479616 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| PA #Marcellus #natgas production up from about 435 bcf in the previous six months, via @AP: http://t.co/uFXhu3dw #ShaleGas Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail