Pittsburgh East

1986

1:100k

Pittsburgh East

1986

1:100k

Pittsburgh East

1986

1:100k

Westmoreland, Fayette counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

New Florence

1922

1:63k

Greensburg

1906

1:63k

New Florence

1922

1:63k

Latrobe

1903

1:63k

Latrobe

1903

1:63k

New Florence

1944

1:63k