This primary source comes from the Records of the Bureau of the Census.
National Archives Identifier:
5841087Full Citation: 1940 Census Enumeration District Maps - Wyoming - Laramie County - Cheyenne - ED 11-1A - ED 11-39; 1940; Records of the Bureau of the Census, Record Group 29. [Online Version, https://www.docsteach.org/documents/document/1940-census-enumeration-district-maps-wyoming-laramie-county-cheyenne-ed-111a-ed-1139, March 27, 2025]