Map of the Oil Region of Pennsylvania.

1865

Townsend & Dale

1:158k

Howe's Map Of The Oil District Of Pennsylvania.

1866

Howe, Henry G.

1:32k

Toledo - Cleveland. Cleveland - New York.

1939

White, Ruth Taylor

Pennsylvania, Western Section.

1924

Rand McNally and Company

1:539k

Pennsylvania.

1903

Rand McNally and Company

1:530k

Pennsylvania (western portion).

1889

Cram, George

1:700k

Pennsylvania.

1886

Mitchell, Samuel Augustus

1:900k

Pennsylvania -- Geology

1960

Williams and Heintz Map Corporation

1:250k

A Map Of The State Of Pennsylvania.

1792

Howell, Reading

1:310k

Railway Map of the State of Pennsylvania.

1876

Caldwell, Joseph A.

1:792k