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Historical Markers in Collier Township, Pennsylvania
Pittsburgh is the county seat for Allegheny County
Bridgeville is in Allegheny County
Allegheny County (685) ►ADJACENT TO ALLEGHENY COUNTY Armstrong County (23) ► Beaver County (219) ► Butler County (73) ► Washington County (377) ► Westmoreland County (172) ►
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| On Washington Pike (Pennsylvania Route 50) 0.1 miles south of Thoms Run Road, on the right when traveling south. |
| Near Noblestown Road, 0.1 miles east of Pinkerton Run Road. |
| On Noblestown Road (Pennsylvania Route 3048) at Columbia Street, on the right when traveling east on Noblestown Road. |
May. 24, 2024