(Double Aster, IA-07-34) N. of Waterloo, Mt. Vernon Township, Black Hawk County, IA. Donald St. E. 1.0 miles from jct with US63 on the NE side of Waterloo, N. on Burton Av. 2.7 miles to the quilt on the W. side of the road at 4617. Gilbert & Mildred Burger. (N42 33.954 W92 21.491) Photos by Jack & June Schmidt 6-30-12.