Region
Bradford County
Pennsylvania
17
Bradford County (Pa.)
14
Tioga County
2
Tioga County (Pa.)
2
Allegheny County
1
Allegheny County (Pa.)
1
Barclay Coal Bed (Bradford County, Pa.)
1
Butler County
1
Butler County (Pa.)
1
Clinton County
1
Clinton County (Pa.)
1
Columbia County
1
Columbia County (Pa.)
1
Luzerne County
1
Luzerne County (Pa.)
1
Lycoming County
1
Lycoming County (Pa.)
1
New York (State)
1
Orange County
1
Orange County (N.Y.)
1