(Dinosaur) N. of Maryville, Polk Township, Nodaway County, MO. US71 N. (curves W.) 3.7 miles from jct with US136 on the E. side of Maryville to the statue on the N. side of the road at 22979. (N40 23.376 W94 52.657) Photo by Jack & June Schmidt 8-27-23.