(125', 1993, IL-72-01) in Three Sisters Park on the S. edge of Chillicothe, Peoria County, IL. IL29 S. 2.1 miles from jct with Truitt St. (CR72) in Chillicothe, W. into the park at 17189 IL29 0.3 miles to the building. (N40 53.622 W89 30.222) Photo 10-22-02.