OGA 8: Keynote Address – John Applegath, Range Resources May 21, 2014 About MDN, Allegheny County, Energy Companies, MDN Resources, Meetings, Pennsylvania, Range Resources Corp, Video Keynote Address: Assessing the Marcellus Shale: What have we learnt in the 10 years since its discovery? John Applegath, Vice President, Southern Marcellus Shale Division, Range Resources Corporation Please Login to view this content. (Not a member? Join Today!) Related Post navigation OGA 9: Panel Discussion – Community EngagementOGA 7: Panel Discussion – Environmental Protection 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.