1867 Atlas - Mamaroneck, Westchester Co., NY This is a map from the 1867 Atlas of Westchester County showing the area of Mamaroneck, Rye Neck, and surrounding regions. The map displays property lines, roads, and notable locations in the area. Date: 1867 Location: Croton-on-Hudson, NY Type: map Subjects: map, Mamaroneck, Rye Neck, Westchester County Text visible in image: MAMARONECK, Westchester …