(40' x 38', IA-53-01) NE of Monticello, Richland Township, Jones County, IA. US151 N. (curves E.) 5.8 miles from jct with IA38 on the E. side of Monticello, S. on Valley Rd. 100 yds to the crib on the W. side of the road at 24083. (N42 17.015 W91 05.882) Photo by Jack & June Schmidt 6-23-12.