Greater Pittsburgh Airport : Coraopolis, Pennsylvania : Preliminary master plan

1951

United States. Air Force

1:12k

Sewickly Borough, Allegheny Co., Penna.

1877

Hayes, Eli L.

1:5k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1953

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Oakdale

1960

1:24k