Battle of Germantown map, 1777
Spencer Bonsall map of the 1777 Battle of Germantown, drawn 100 years later in 1877
Map illustrating the Battle of Germantown, 1777, drawn by Spencer Bonsall, 1877. Shows Wingohocking Creek and other topographic details. (Free Library of Philadelphia, Print and Picture Collection; also in Scharf & Westcott’s History of Philadelphia (1884, volume 1, page 354)