(Reddick, 1856) in Ottawa, La Salle County, IL. IL23/71 (Columbus St. - becomes La Salle St.) S. 0.5 miles from jct with US6 (Norris Dr.) in Ottawa, E. on Lafayette St. 200’ to the mansion on the N. side of the road at 100. (N41 21.017 W88 50.493) Photo 6-11-02.