(Double Aster, IA-92-72) W. of Washington, Dutch Creek Township, Washington County, IA. 250th St. W. 9.4 miles from jct with IA92 on the W. side of Washington to the quilt on the S. side of the road at 1305. Mike Driscoll. (N41 17.619 W91 53.327) Photos by Jack & June Schmidt 6-14-12.