(IL American Water) in Champaign, Champaign County, IL. IL10 (Springfield Av.) W. 2.0 miles from jct with US150 (Prospect Av.), N. on Duncan Rd. 0.35 miles, E. on Clark Rd. 100 yds, N. (curves E.) on Hundman Dr. 0.15 miles to the tower on the N. side of the road. (N40 07.160 W88 17.596) Photo 12-16-17.