Scale 1:600. 50 ft. to 1 in. Scale 1:1,200. 100 ft. to 1 in. Sheet 1 includes symbol key and location and index maps. Partial cadastral map. Index appears on unnumbered title page. Fire insurance map hand colored to show building construction, locations of windows and doors, elevators, and available water facilities. Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers. Additional title on some sheets: North Chicago. 32 maps, colored 64 x 54 cm