Maps - Pennsylvania 1777 – Battle of Brandywine, 11th September, 1777 Drafter/Publisher: Unknown Source(s): http://memory.loc.gov/ammem/gmdhtml/armhtml/armap.html 141} Related Posts 1777 – A Survey of the City of Philadelphia and its Environs March 31, 2014 1770 – The Province of Pennsylvania March 31, 2014 1778 – Philadelphia and Neighborhood March 31, 2014