Plan of the post of Portsmouth as it is occupied by his majesty's forces under the command of Major General Phillips, April 1st, 1781 : Shewing, in yellow, the works proposed, in addition to those already constructed by order of Brigadier General Arnold.
Finished, colored, topographical map showing the area of the town, the outline of its wharves, and the defensive works constructed during the British occupation.; A table of references provides information on the armament of the individual parts of the fortifications.
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