Marcellus King in PA – Which Other Layers are Actively Drilled? March 30, 2016 Industrywide Issues, Pennsylvania, Research, Statewide PA Username Password Remember me Forgot Password? Join Us Related Post navigation NY Comptroller Attacks Natural Gas Pipelines with Safety “Audit”Cracker Plant in Scotland “Brought Back to Life” Thx to Marcellus Ethane You do not have permission to view the comments. Click here to cancel reply. Please Login to post a comment Notify me of follow-up comments by email.