(Windmill, IA-10-01) SW of Independence, Sumner Township, Buchanan County, IA. 1.6 miles from jct with Jamestown Av. S. on fIndependence to the quilt on the N. side of the road. Heartland Acres Agribition. (N42 26.911 W91 55.481) Photos by Jack & June Schmidt 6-24-12.