Northern Appalachia
Maryland
- Allegany
- Garrett
- Washington
New York
- Allegany
- Broome
- Cattaraugus
- Chautauqua
- Chemung
- Chenango
- Cortland
- Delaware
- Otsego
- Schoharie
- Schuyler
- Steuben
- Tioga
- Tompkins
Ohio
- Ashtabula
- Belmont
- Carroll
- Columbiana
- Coshocton
- Guernsey
- Harrison
- Holmes
- Jefferson
- Mahoning
- Muskingum
- Trumbull
- Tuscarawas
Pennsylvania
- Allegheny
- Armstrong
- Beaver
- Bedford
- Blair
- Bradford
- Butler
- Cambria
- Cameron
- Carbon
- Centre
- Clarion
- Clearfield
- Clinton
- Columbia
- Crawford
- Elk
- Erie
- Fayette
- Forest
- Fulton
- Greene
- Huntingdon
- Indiana
- Jefferson
- Juniata
- Lackawanna
- Lawrence
- Luzerne
- Lycoming
- McKean
- Mercer
- Mifflin
- Monroe
- Montour
- Northumberland
- Perry
- Pike
- Potter
- Schuylkill
- Snyder
- Somerset
- Sullivan
- Susquehanna
- Tioga
- Union
- Venango
- Warren
- Washington
- Wayne
- Westmoreland
- Wyoming
West Virginia
- Brooke
- Hancock
- Marshall
- Ohio