This primary source comes from the Records of the Bureau of the Census.
National Archives Identifier:
5835793Full Citation: 1940 Census Enumeration District Maps - New York - Seneca County - Seneca Falls - ED 50-19, ED 50-20, ED 50-21, ED 50-22, ED 50-23, ED 50-24, ED 50-25; 1940; Records of the Bureau of the Census, Record Group 29. [Online Version, https://docsteach.org/documents/document/1940-census-enumeration-district-maps-new-york-seneca-county-seneca-falls-ed-5019-ed-5020-ed-5021-ed-5022-ed-5023-ed-5024-ed-5025, December 6, 2024]