(Four Flags, IA-22-16) S. of McGregor, Mendon Township, Clayton County, IA. IA340 S. 1.9 miles from jct with US18B in McGregor, continue S. on Great River Rd. 2.0 miles to the quilt on the W. side of the road at 17755. Eldon & Lorna Truester. (N42 58.011 W91 10.645) Photos by Jack & June Schmidt 6-28-12.