(Cog Block, IA-81-86) E. of Odebolt, Clinton Township, Sac County, IA. IA175 (330th St.) E. 3.8 miles from jct with Des Moines St. / Fox Av. on the E. side of Odebolt to the quilt on the N. side of the road at 2071. Marshall & Paul Fox. (N42 18.733 W95 10.268) Photos by Jack & June Schmidt 7-17-12.