(Fourth of July Banner, IA-11-04) ENE of Storm Lake, Grant Township, Buena Vista County, IA. 590th St. E. 2.9 miles from jct with US71 NE of Storm Lake to the quilt on the N. side of the road at 1592. Unknown. (N42 39.727 W95 05.634) Photos by Jack & June Schmidt 7-16-12.