(16 sides, 42', IA-90-04) in Eldon, Wapello County, IA. 9th (becomes 25th) St. NE 0.3 miles from jct with IA16 (Elm St.) to the house on the SE side of the road at 2797. (N40 55.504 W92 13.460) Photo by Jack & June Schmidt 6-11-12.