Relief shown by hachures.
Coordinates approximate and based on Greenwich meridian.
Scale in yards.
Includes Explanation: "British Fortifications, &c." and "American & French Approaches."
"Plate IX." in upper left.
"Engraved for Lr. Gordon's History of the American War." in upper center."
"To face Page 196. Vol. IV." in upper right.
Appears in "The History of the Rise, Progress, and Establishment, of the Independence of the United States of America: Including an Account of the Late War; and of the Thirteen Colonies..."