(Fathers Choice, IA-11-05) ENE of Storm Lake, Grant Township, Buena Vista County, IA. 590th St. E. 2.7 miles from jct with US71 NE of Storm Lake to the quilt on the S. side of the road at 1566. Al Slight. (N42 39.692 W95 05.851) Photos by Jack & June Schmidt 7-16-12.