Brighton Township, Beaver Co. PA.

1876

Caldwell, Joseph A.

Big Beaver Township, Beaver County, PA.

1876

Caldwell, Joseph A.

Outline Map of Beaver County. Pennsylvania. 1876

1876

Caldwell, Joseph A.

Text: Technology. (Pittsburgh (Pennsylvania). Map: Pittsburgh Market Map.

1950

Nirenstein, Nathan

1:90k

Map 1

1808

Cramer, Zadok

Industry Township, Pulaski Township, Beaver Co. PA.

1876

Caldwell, Joseph A.

1:32k

Lawrence, Mercer, Beaver, Butler counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Industries Of Western Pennsylvania

1884

Lee, Alex. Y.

1:111k

Counties of Columbiana, Jefferson, Carroll, and Harrison

1868

Lloyd, H.H.

1:300k

Pittsburgh.

1924

Rand McNally and Company

1:380k