A survey of the city of Philadelphia and its environs shewing the several works constructed by His Majesty's troops, under the command of Sir William Howe, since their possession of that city 26th. September 1777, comprehending likewise the attacks against Fort Mifflin on Mud Island, and until it's reduction, 16th November 1777.

Scale 1:14,400; 400 yards to an in.
Manuscript, pen-and-ink and watercolor.
Relief shown by shading.
Annotated: John Montresor, chief engineer.
Map sections individually titled: Fort Mifflin on Great Mud Island [1:2,400]--Plan of the attacks against the rebels works on Mud Island surrender'd 16. November 1777 [1:7,200]--View of the rebel fort and works, on Mud Island comprehending Red-Bank on the Jersey shore; taken from * in front of the 6 gun battery Elevation of the commanding officer's house Section through A:B [1:600].
LC Maps of North America, 1750-1789, 1315
Available also through the Library of Congress Web site as a raster image.
Vault
AACR2