Lawrence, Mercer, Beaver, Butler counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Map of the Oil Region of Pennsylvania.

1865

Townsend & Dale

1:158k

Erie, Crawford, Venango counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Indian River From Bethel Creek to Indian River Inlet

1884

C&GS

1:25k

Pennsylvania (western part).

1948

Hammond, C.S.

1:585k

Toledo - Cleveland. Cleveland - New York.

1939

White, Ruth Taylor

Pennsylvania, Western Section.

1924

Rand McNally and Company

1:539k

Pennsylvania (western portion).

1889

Cram, George

1:700k

Atlas Ameriquain Septentrional Contenant, mapa ze strany: [19]

1778

Chez le Rouge, Ingenieur Géographe du Roi, Rue des grands Augustins

A map of Pennsylvania exhibiting not only the improved parts of that Province, but also its extensive frontiers

1775

Robert Sayer & John Bennett (Firm)

1:365k