Map of The United States In 1800 US History 1800s Pin Map Map of The United States In 1800 | Genealogy map, Historical maps United States Historical Maps Perry Castañeda Map Collection Mapped: The Territorial Evolution of the United States Ch. 21 Nationalism United States Historical Maps Perry Castañeda Map Collection Old US map from early 1800’s. | Colorado map, North america map 1800’s Pennsylvania Maps