(Double Star, IA-28-13) S. of Masonville, Prairie Township, Delaware County, IA. 110th Av. S. 2.35 miles from jct with 220th St. SE of Masonville to the quilt on the E. side of the road at 2448. Dorothy Hilby. (N42 26.089 W91 34.644) Photos by Jack & June Schmidt 6-22-12.