Cumberland, Franklin, Adams counties.

1872

Gray, Ormando Willis; Walling, H. F.

1:300k

An Historical Map of York County, Pennsylvania.

1932

Tunis, Edwin, 1897-1973

Baltimore.

1866

Martenet, Simon J.

1:222k

Plate H. South Central Pennsylvania.

1871

Hopkins, G.M.

Baltimore

1989

US GS & NOAA

1:250k

Plate J. Southeast Pennsylvania.

1871

Hopkins, G.M.

Planche XXIV. Vallee du Monocacy et Contrees Voisines.

1875

Le Comte de Paris

1:450k

A new and accurate chart of the Bay of Chesapeake, with all the shoals, channels, islands, entrances, soundings, and sailing-marks, as far as the navigable part of the Rivers Patowmack, Patapsco and North-East. (1)

1784

Cook, James, active 1762-1775; Smith, Anthony

1:250k

Maryland and Delaware

1845

Breese, Samuel

1:1m

A map of the territory served by Philadelphia Electric Company

1951

Philadelphia Electric Company

1:300k