(Untitled, IA-81-90) WSW of Sac City, Clinton Township, Sac County, IA. US20 W. 5.4 miles from jct with 16th St. in Sac City, S. on Mace Av. 1.5 miles to the quilt on the W. side of the road at 2701. Unknown. (N42 24.002 W95 06.550) Photos by Jack & June Schmidt 7-17-12.