(Mothers Choice, IA-34-43) W. of Nashua, Riverton Township, Floyd County, IA. Sample (becomes 280th) St. W. 4.8 miles from jct with US218 W. of Nashua to the quilt on the S. side of the road at 2940. Scott & Chris Sienons. (N42 56.949 W92 38.635) Photos by Jack & June Schmidt 7-9-12.