Plan e : [map showing two blockhouses between "Turn Pike Road" and "bridge," Alexandria, Virginia].
Shows defenses of Washington situated between Little River Turnpike (Duke Street) and the Telegraph Road bridge crossing Cameron Run. Relief shown by hachures and form lines. Pen-and-ink and pencil. Includes profile. In lower right corner: P. In upper left corner: 211, L. Sheet 13. In lower right corner: Transferred from Office of Chf. Engr., Defenses of Washington, to Engr. Dept.-1866. Stamped on verso: By...
United States. Army. Corps of Engineers