Sauthier Map — Province of New York (1778) Claude Joseph Sauthier's detailed 1778 map of the Province of New York showing Westchester County, the Van Cortlandt and Philipse manors, and the Croton River area during the Revolution. Date: 1778 Type: map Subjects: map, Province of New York, Westchester County, Croton River, New Jersey Source: Wikimedia Commons License: Public domain