(IL-71-13) NW of Forreston, Forreston Township, Ogle County, IL. IL26/72 N. (curves W. & back N.) 4.2 miles from jct with IL72 in Forreston, W. on IL72 2.4 miles to the crib on the N. side of the road at 17256. (N42 09.366 W89 40.530) Photo by Paul Myers 6-27-05.