Williamsport

1944

1:32k

Williamsport

1944

1:32k

Williamsport

1953

1:24k

Part of Washington County, MD.

1862

U.S. War Department, Topographical Engineers

1:32k

Williamsport

1944

1:63k

Williamsport

1944

1:63k

Williamsport

1910

1:63k

Washington County - 1861

1861

Bureau of Topographical Engineers

1:127k

Hagerstown

1942

1:125k

Washington County Maryland

1861

Hergesheimer, Edwin

1:133k