The Most Popular Shale Play in America? The Marcellus! Economic Impact | Hydraulic Fracturing | Industrywide Issues | Pennsylvania | Statewide PA May 29, 2013May 29, 2013 A recent article on The Motley Fool investors website christened the Marcellus Shale as, “The most popular natural gas play in America.” Cool. Here’s why they say that: Please Login to view this content. (Not a member? Join Today!) Related