Belair

1900

1:63k

Harford.

1866

Martenet, Simon J.

1:222k

Harford County - 1861

1861

Bureau of Topographical Engineers

1:127k

Being Ye Historical Map of Baltimore County

1935

Yardley, Richard Quincy, 1903-1979

Topographical atlas of Maryland: counties of Baltimore and Harford.

1873

Walling, H. F.

1:222k

Parkton

1900

1:63k

Navigation Chart of the Chesapeake Bay From Head of Bay to Magothy River

1886

C&GS

1:80k

Baltimore.

1866

Martenet, Simon J.

1:222k

Plan der landung der Gebrüdere Howe, bey dem ausfluss des Elk Strom ...Lords Cornwallis

1777

Will, Johann Martin

Baltimore

1902

1:63k