Source: `A History of Ontario County, New York and Its People Vol. 1` by Charles F. Milliken, published 1911, page 19 provided by books.google.com Caption: `This map shows the Phelps and Gorham purchase as it was between 1802 and 1806. It is a reduced fac-simile of the rare original and is the most correct extant of the Phelps and Gorham purcha......