Economy Township, Beaver County PA.

1876

Caldwell, Joseph A.

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1960

1:24k

Ambridge

1953

1:24k

Ambridge

1960

1:24k

Hopewell Township, Beaver County, PA.

1876

Caldwell, Joseph A.

1:32k

Upper Ohio River and Valley part II, 12 to 31 miles below Pittsburgh ... (with) Economy, Baden.

1877

Hayes, Eli L.

1:32k