(Del Southern, IL-58-17) W. of Warrensburg, Illini Township, Macon County, IL. North St. (becomes Illiniwick Rd.) W. 2.6 miles from jct with IL121 in Warrensburg, S. on Lincoln Memorial Pkwy 0.65 miles to the crib on the W. side of the road. (N39 55.406 W89 06.353) Photo by John Hughes 8-28-12.