Scale 1:600. 50 ft. to 1 in. Also shows factories, commercial occupancy of buildings, property boundaries, and house and block numbers. Fire insurance map hand colored to show building construction, locations of windows and doors, and available water facilities. Library copy sheets still attached in pairs. Originally issued as a bound volume. Partial cadastal map. Sheets numbered 1S-94S Shows area south and east of the Chicago River. Symbol key on key map sheet. title page, key map, street index, and congested district map, scale 1:2,400, on 5 unnumbered sheets. 94 maps, colored 60 x 48 cm