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

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Forest country : For rest from urban fatigue

1957

King, Samuel A.

1:100k

Plate B. North Central Pennsylvania.

1871

Hopkins, G.M.

Plate A. Northwest Pennsylvania.

1871

Hopkins, G.M.

Plate D. West Central Pennsylvania.

1871

Hopkins, G.M.

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

Jefferson, Clarion, Indiana, Armstrong counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Post Route Map of the State of Pennsylvania (Western Sheet) ... January 15, 1948.

1948

United States. Post Office Department

1:318k

Post Route Map of the State of Pennsylvania (Western Sheet) ... (circa 1937).

1937

United States. Post Office Department

1:318k