Illinois state map Chicago detailed city plan 1867 Mitchell nice state mapCounty Map of the State of Illinois. (North America, United States, Midwest, Illinois, Chicago, Springfield, Shelbyville). Issued c. 1867 9, Philadelphia by S. A. Mitchell. 19th century engraved map, with original hand color. Mitchell maps of this mid century era were issued in an ongoing range of variant issues, with different decorative borders. Nice looking example, pleasing age patina, any minor age flaws easy to overlook or forgive. Sheet