Map of Pittsburg and Allegheny, 95

1891

Appleton, D. & Co.

1:42k

Pittsburgh and vicinity, Pennsylvania

1962

Geological Survey (U.S.)

1:24k

No.1-2: Map Of The Ohio River

1881

Moser, C.

1:48k

Carnegie

1908

1:63k

Pittsburgh

1907

1:63k

Pittsburgh

1907

1:63k

Pittsburgh

1907

1:63k

Pittsburgh

1907

1:63k

Pittsburgh

1907

1:63k

Pittsburgh

1907

1:63k