(Ohio Star Variation, IA-61-01) N. of Winterset, Madison Township, Madison County, IA. US169 N. 9.0 miles from jct with IA92 on the N. side of Winterset to the quilt on the E. side of the road at 1218. Ron McGroom. (N41 28.309 W94 01.017) Photos by Jack & June Schmidt 7-23-12.