Category:Maps of Allegheny County, Pennsylvania by century

Counties of Pennsylvania : Allegheny · Bucks · Crawford · Delaware · Fayette · Forest · Juniata · Lebanon · Luzerne · Potter · Warren · York

Subcategories

This category has the following 4 subcategories, out of 4 total.

18th-century maps of Allegheny County, Pennsylvania‎ (1 C)
19th-century maps of Allegheny County, Pennsylvania‎ (6 C, 2 F)
20th-century maps of Allegheny County, Pennsylvania‎ (4 C, 403 F)
21st-century maps of Allegheny County, Pennsylvania‎ (2 C, 1 F)

Retrieved from "https://commons.wikimedia.org/w/index.php?title=Category:Maps_of_Allegheny_County,_Pennsylvania_by_century&oldid=585839931"