Unsigned manuscript map of North America showing region bounded by Lake Ontario, the Saint Lawrence River and Gulf, western Newfoundland, Nova Scotia, and the Atlantic coast south to Delaware Bay. Tracks the route of an unidentified ship from Halifax north and west through the Saint Lawrence River to the Richelieu River, then south to Lake Champlain, the Hudson River, and New York City. Points along ship's route marked in red ink and variously dated October 15-28, 1793.