w:George Croghan's Otsego w:land patents from the original drawn c.w:1790 by w:Simeon DeWitt w:Esq. Surveyor General w:&c. State of New York.

• The river on the left (west) side of the map is the Unadilla, labeled the Tianaderha River on the map.
• The river in the northeast corner of the map is the Mohawk.
• The river flowing south out of Otsego Lake (labeled Oaks Creek on the map) is actually the w:Susquehanna River.

This image is part of foldout map in:

The Old New York Frontier, 1614-1800 by Francis Whiting Halsey, New York: Charles Scribner's and Sons, 1901.

The credit for the map reads:

Early Land Titles on the Frontier with dates and owner's names, . . . Reduced from a map compiled about 1770 by SIMEON DEWITT and printed in Volume I of "The Documentary History of the State of New York."

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