Sanborn Map CompanyScale 1:600. 50 ft. to an in.Fire insurance map colored to show building construction, locations of windows and doors, and available water facilities. 500 __ a Partial cadastral map. 500 __ a Shows area bounded by Ashland Avenue and South State Street and and West 71st and West 87th streets.Also shows factories, commercial occupancy of buildings, property boundaries, and house and block numbers.Leaves numbered 1-111; title, key map and street index on 2 unnumbered leaves.Symbol key on title leave with key map.1 atlas (111 leaves + 2 unnumbered leaves), colored71 cmJPEGoai:digital.library.illinois.edu:d7f5ea70-29cd-0138-7113-02d0d7bfd6e4-b7262762engSanborn Map Company8888-002PublicChicago Volume 25MapsIllinois--ChicagoIllinois1924University of Illinois Urbana-Champaign