Boston, its environs and harbour, with the rebels works raised against that town in 1775,

Scale ca. 1:24,000.
Manuscript, pen-and-ink and watercolor.
Relief shown by hachures. Depths shown by soundings.
LC Maps of North America, 1750-1789, 911
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2: 100; 651/1; 650/2; 650/3; 651/4; 650/5