Huntingdon, Juniata, Mifflin, Perry counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Plate H. South Central Pennsylvania.

1871

Hopkins, G.M.

Profiles of Massachusetts Railroad, Florida Canal...

1834

Tanner, Henry S.

Harrisburg, Williamsport, Erie, Scranton.

1886

Mitchell, Samuel Augustus

Cumberland, Franklin, Adams counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

Pennsylvania

1917

Department of the Interior U. S. Geological Survey

1:63k

Fannett, Franklin County, Pennsylvania. Doylesburg.

1868

Beers, D.G.

1:51k

Anthracite Coal Fields Of Pennsylvania

1878

Cochran, A.B.

1:158k

Olmsted Air Force Base : Middletown Pennsylvania : Vicinity map

1951

United States. Air Force

1:500k

Pittsburgh ~ New York. Pittsburgh ~ Philadelphia. Philadelphia ~ New York.

1936

Rand McNally & Company