(Broken Band, IA-81-105) S. of Auburn, Sac Township, Sac County, IA. US71 S. 2.9 miles from jct with US71 (370th St.) in Auburn to the quilt on the W. side of the road at 3991. David & Cindy Tiefenthaler. (N42 12.644 W94 52.752) Photos by Jack & June Schmidt 7-18-12.