Military Topographical Sketch of Haerlem Heights and Plain Exhibiting the Position and forms of Field Works and Block Houses which have been constructed in that Neghbourhood [sic] for the Defence of the City of New York by Genl Swift Chief Engineer copied

Military Topographical Sketch of Haerlem Heights and Plain Exhibiting the Position and forms of Field Works and Block Houses which have been constructed in that Neghbourhood [sic] for the Defence of the City of New York by Genl Swift Chief Engineer copied from a Survey Made by Lieut Renwick of the 82nd Regt New York Militia by T. E. Craig Lt Artillery.