(20', IA-76-08) N. of Pocahontas, Sherman Township, Pocahontas County, IA. IA4 (220th Av.) N. 2.7 miles from jct with IA3 (Elm Av.) in Pocahontas to the crib on the W. side of the road at 49331. (N42 46.309 W94 40.779) Photo by Jack & June Schmidt 7-19-12.