(CAT) in Pontiac, Livingston County, IL. IL116 E. 0.25 miles from jct with I55 exit 197 just W. of Pontiac, N. on Deerfield Rd. 1.0 miles, E. on 4h Park Rd. 0.8 miles to the tower on the S. side of the road. (8-30-08, N40 53.256 W88 39.049)