Oil Creek, Titusville-Oil Creek Lake.

1865

F.W. Beers & Co.

1:42k

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.

Corry

1929

1:63k

Plate A. Northwest Pennsylvania.

1871

Hopkins, G.M.

Youngstown Municipal Airport: Youngstown Ohio : Vicinity map

1952

United States. Air Force

1:500k

Pennsylvania (western part).

1948

Hammond, C.S.

1:585k

Pittsburgh & Western Pennsylvania : Coal & coke fields, oil regions & location of natural gas wells & gas mains leading to Pittsburgh

1876

Caldwell, J. A. (Joseph A.)

1:400k

Junior Auto Road Map of New York

1934

Rand McNally and Company

1:1m