The Oil Regions of Pennsylvania; with maps and charts of Oil Creek, Allegheny River, etc

1864

GILLELEN, F. M. L.

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

Sugar Grove, Warren County, Pennsylvania.

1878

Odbert, A.

1:32k

Mead, Warren County, Pennsylvania.

1878

Odbert, A.

1:32k

"Niagara, Erie, Chautauqua, Cattaraugus, Orleans, Genesee, Wyoming, Allegany, Monroe, and Livingston Counties"

1871

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