Allegheny County, Pennsylvania
County Maps
State of Pennsylvania 1796 , J. Reid
Pittsburgh Furnaces, Rolling Mills & Steel Works 1879
Allegheny County Map 1851 Library of Congress
Allegheny County Map 1862
Allegheny County Outline Map 1872
Allegheny County Township Map 1880
Allegheny County Map circa 1889
Township Maps
Alleppo Baldwin Bethel Park Braddock Brentwood Castle Shannon Collier Crescent East Deer
Elizabeth Fawn Findlay Forward Fox Chapel Franklin Glenshaw Hampton Harrison
Indiana Jefferson Kennedy Kilbuck Leet Lincoln Marshall McCandless McKeesport
Monroeville Moon Mt. Lebanon Neville North Fayette North Versailles Ohio O'Hara
Penn Hills Pine Pittsburgh Plum Reserve Richland Robinson Ross Scott
Shaler Sewickly South Fayette South Park South Versailles Springdale Stowe Upper St. Clair
Versailles West Deer West Mifflin White Hall White Oak Wilkens Wilkensburg
Sanborn Maps
Pittsburgh 1884 Vol. 1 Pittsburgh 1884 Vol. 2
Pittsburg 1893 Vol. 1 Pittsburg 1893 Vol. 2 Pittsburg 1893 Vol. 3
Pittsburg 1905-1906 Vol. 1 Pittsburg 1905-1906 Vol. 2 Pittsburg 1905-1906 Vol. 3 Pittsburg 1905-1906 Vol. 4 Pittsburg 1905-1906 Vol. 5 Pittsburg 1905-1906 Vol. 6
*Part of the USGenWeb Archives, United States Digital Map Library