(St. Louis Star, IA-92-115) SSE of Riverside, Iowa Township, Washington County, IA. US218 S. 3.6 miles from jct with IA22 E. of Riverside to the quilt on the E. side of the road. Keith & Penny Sweeting. (N41 26.071 W91 33.028) Photos by Jack & June Schmidt 6-17-12.