(Churn Dash, IA-38-40) N. of Wellsburg, Shiloh Township, Grundy County, IA. Washingtom St. (becomes F Av.) N. 0.6 miles from jct with 4th St. in Wellsburg to the quilt on the W. side of the road at 17949. Marlyn & Karyn Mennenga. (N42 26.573 W92 55.588) Photos by Jack & June Schmidt 7-6-12.