Oil Creek, Titusville-Oil Creek Lake.

1865

F.W. Beers & Co.

1:42k

Oil Creek branches.

1865

F.W. Beers & Co.

1:42k

Corry

1929

1:63k

Southwest, Warren County, Pennsylvania.

1878

Odbert, A.

1:32k

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

Map of New York : Patented Jan 4, 1921, copyright 1923 by Rota-ray map systems, inc.

1923

Rota-ray map systems, inc.

Plate A. Northwest Pennsylvania.

1871

Hopkins, G.M.

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

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Youngstown Municipal Airport: Youngstown Ohio : Vicinity map

1952

United States. Air Force

1:500k