(Barn Happy, IA-07-13) in Cedar Falls, Black Hawk County, IA. University Av. W. (curves SW) 3.1 miles from jct with IA58 to the quilt on the NW side of the road at 11310. Kris Boettger. (N42 29.577 W92 29.766) Photos by Jack & June Schmidt 6-30-12.