Challenges lie ahead for Appalachia producers, but Spigelmye aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| Challenges lie ahead for Appalachia producers, but Spigelmyer tells @PghBizTimes “affordable natural gas will drive… https://t.co/CS7BtuICX0 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail