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A plan of New York Island, and part of Long Island, with the circumjacent country, as far as Dobbs's Ferry to the north, and White Plains to the east, including the rivers, islands, roads, &ca : also shewing the landing, routes, battles, lines and encampments of the British forces under the command of His Excellency Sir William Howe Knight of the most honorable Order of the Bath, Commander in Chief &ca. &ca. &ca

Made for General Sir William Erskine, a participant in one of the battles portrayed, this six-sheet manuscript map by Charles Blaskowitz depicts the New York Campaign of 1776. This large, detailed and finely executed map is known as a "Campaign Headquarters Map." It was intended to depict a specific military theater, and recorded locations of encampments and the progress of an army. Blaskowitz combined details of key events overlaid on topography that was systematically surveyed, resulting in a map that is both comprehensive as well as aesthetically pleasing.