tag:digital.library.illinois.edu,2005:/items/9aa52060-263b-013a-7ba8-02d0d7bfd6e4-6Insurance maps of Alton, Illinois2023-12-12T23:13:31Ztag:digital.library.illinois.edu,2005:Item/8131462021-12-02T16:27:40Z2023-12-12T23:13:31ZInsurance maps of Alton, IllinoisFire insurance maps colored to show building construction, locations of windows and doors, and available water facilities.University of Illinois at Urbana-Champaign Library