This map depicts the northern end of Manhattan, and the military fortifications in the area in 1776, during the American Revolutionary War. It has markings describing the military movements of the Battle of Fort Washington, fought November 16, 1776.
<bdi><a href="https://en.wikipedia.org/wiki/en:Claude_J._Sauthier" class="extiw" title="w:en:Claude J. Sauthier"><span title="illustrator, draftsman, surveyor, and mapmaker">Claude Joseph Sauthier</span></a>
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<p>From the Boston Public Library Digital Map Collection: <a rel="nofollow" class="external free" href="http://maps.bpl.org/details_10863/">http://maps.bpl.org/details_10863/</a>
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Call number: G3804.N4S3 1777 .S2