Johnson's Delaware and Maryland.
Description:
Map shows railroads, roads, canals, counties, and cities. Inset: "District of Columbia" shows street layout, roads, canals, railroads, military facilities, and select buildings. Relief shown by hachures. Scale [ca. 1:975,000].
Date:
[1850..1855]
Creator:
Johnson, A. J. (Alvin Jewett), 1827-1884