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Simeon De Witt

American geographer and surveyor general
English: Simeon De Witt (1756–1834) was the Geographer and Surveyor-General of the Continental Army during the American Revolution and Surveyor General of the State of New York for the fifty years from 1784 until his death.


Map of the Head Waters of the Rivers Susquehanna and Deleware, Embracing the Early Patents on the South Side of the Mohawk River, 1790. (Image:Halsey Old NY Frontier Patent Map.png is a higher resolution image.)

The following three maps are colorized details of a larger map by De Witt drawn in 1792 or 1793.
Central NY Military Tract
The Twenty Townships
Otsego County, New York