Rare 1850 engraving of the Guy Johnson manuscript map of the lands controlled by the Six Nations on the eve of the American Revolution.
The map shows the region between Lake Ontario and Lake Eerie to the west and the "Katts Kill Mountains" and "Massachussets Bay" to the east. Notes reveal the earliest colonial idea of what the region actually had in store, and the original manuscript map was based on the reports of traders and Native Americans. Notes are made about the various tribes living in the area.
This map was issued in the Documentary History of the State of New York and published in 1850.
Toning and some foxing.