Map 81.6.M5.1775 Boston. »History.—Revolution. Siege, 1775, 1776. General Gage's fortifications on Boston Neck, in
the year 1775. [Plan.]
[Boston. Tidd, lith. N.d.] Size, 11 5/16 x
8 23/32 inches. Scale, 320 feet to 1 inch.
Copies from the Pennsylvania magazine, July 31,
1775.