Pine Grove Township.

1865

F.W. Beers & Co.

1:42k

Elk, Clarion County, Pennsylvania.

1877

Caldwell, Joseph A.

1:32k

Map of the Centre Oil Region From Oil City To Parkers Landing.

1871

Wrigley, Henry E.

1:20k

Cranberry Township.

1865

F.W. Beers & Co.

1:42k

Jefferson, Clarion, Indiana, Armstrong counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Map of the Oil Region of Pennsylvania.

1865

Townsend & Dale

1:158k

Warren, McKean, Potter, Forest, Elk, Cameron counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

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