Sanborn Fire Insurance Map from Chicago, Cook County, Illinois, 1918, volume 40

Sanborn fire insurance atlas of Chicago, Cook County, Illinois, 1918: the first 40 of its 134 sheets. Large-scale plans of Chicago's streets and buildings, block by block, showing each building's outline, construction material, number of floors, use and street address, made for fire insurance underwriters. Wikimedia Commons holds the first 40 sheets; all 134 are at the Library of Congress: https://www.loc.gov/item/sanborn01790_040/

Date: 1918
Mapmaker / publisher: Sanborn Map Company
Place: Chicago, Cook County, Illinois
Collection: Sanborn Fire Insurance Maps
Archive: Library of Congress (via Wikimedia Commons)
Type: Sanborn fire insurance atlas
Sheets: 40
Original size: 5,852 × 8,504 pixels

Public domainsafest

Reason: its maker died more than 80 years ago.

Read from: Commons licence category on the sheets: PD-old-80-expired; no CC BY, CC BY-SA, GFDL or deletion tag on the file pages.

Credit line

"Sanborn Fire Insurance Map from Chicago, Cook County, Illinois, 1918, volume 40" (1918). Sanborn Map Company. Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Sanborn_Fire_Insurance_Map_from_Chicago,_Cook_County,_Illinois._LOC_sanborn01790_040-1.jpg

What public domain means here

Need maps for a whole project? Add Find Any Map to Claude and ask for this one by its id: 151760.