Resource
What is the Utica Shale?
The Utica Shale is a massive formation that lies beneath portions of Ohio, West Virginia, Pennsylvania, Kentucky, Maryland, New York, Tennessee, Virginia and a part of Canada.
Counties
Core Ohio Utica Counties As Identified by the Ohio Department of Natural Resources: Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Crawford (immature), Delaware (immature), Fairfield, Franklin (immature), Geauga, Guernsey, Harrison, Holmes, Huron (immature), Jefferson, Knox, Lake, Licking, Lorain, Madison (immature), Mahoning, Marion (immature), Medina, Monroe, Morgan, Morrow (Immature), Muskingum, Noble, Perry, Pickaway (immature), Portage, Richland (immature), Stark, Summit, Trumbull, Tuscarawas, Union (immature), Washington, Wayne
Pennsylvania: Armstrong, Beaver, Butler, Cameron, Clarion, Crawford, Elk, Erie, Forest, Jefferson, Lawrence, McKean, Mercer, Potter, Venango, Warren, Tioga
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