Plan of Forts Green, Laurence & Swift and lines of intrenchments constructed in the vicinity of Brooklyn for the defence of the city of New York.

Relief shown pictorially.
Pen-and-ink, pencil, and watercolor.
Oriented with north to the upper right.
Handwritten annotation on recto: No. 39.
"Office of Chief of Engineers, War Department. 58510 6199" on verso.
Minimal level cataloging record.
Available also through the Library of Congress Web site as a raster image.