MarcellusGas-251057686832111616 aspwv1999-11-30T00:00:00-05:00November 30th, 1999|Twitter| MarkWest CEO: “Mariner East’s ability to further expand export capacity from Marcus Hook is an important milestone”http://t.co/8bzEQ274 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail