(37' x 24', 1930, IA-76-07) E. of Plover, Powhatan Township, Pocahontas County, IA. 420th St. E. 2.0 miles from jct with 250th Av. in Plover, S. on 270th Av. 0.45 miles to the crib on the E. side of the road at 42460. (N42 52.335 W94 34.788) Photo by Jack & June Schmidt 7-19-12.