Historical Map of Northumberland County, Pennsylvania. By Charles Fisher Snyder.

1932

Snyder, Charles Fisher

Columbia, Union, Snyder, Montour, Northumberland counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

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

A New and accurate map of the province of Pennsylvania in North America, from the best authorities.

1780

National Road from Washington to Lake Ontario

1828

Stansbury, A.J.

1:317k

Pennsylvania.

1924

Rand McNally and Company

1:539k

Eastern Counties Of Pennsylvania

1890

Colton, G.W. & C.B.

1:300k

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

1936

Rand McNally & Company

Pennsylvania (Eastern Part).

1948

Hammond, C.S.

1:585k