A plan of Portsmouth Harbour in the province of Virginia shewing the works erected by the British forces for its defence, 1781.

Scale ca. 1:95,000.
Manuscript, pen-and-ink (black and red) and watercolor.
Oriented with north toward the lower right.
Relief shown by shading.
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2: 650/1; 650/2; 651/3