(37' x 24', IA-38-03) S. of Grundy Center, Palermo Township, Grundy County, IA. M Av. S. 2.8 miles from jct with G Av. (240th St.) on the E. side of Grundy Center to the crib on the E. side of the road. (N42 19.241 W92 47.241) Photo by Jack & June Schmidt 7-6-12.