(Mushroom) in Grafton, Jersey County, IL. IL100 (Main St.) E. 0.2 miles (3 blocks) from jct with IL3 (Market St.), S. on Oak St. 1 block, E. on Water St. 100’ to the carving on the N. side of the road. (9-2-09, N38 58.149 W90 25.876) Photo by Jack & June Schmidt.