(Antler Ridge, 65', Private, 15-49-A) NW of St. Donates, Prairie Springs Township, Jackson County, IA. US52 NW 1.3 miles from jct with 1st St. in St. Donates to the bridge on the SW side of the road at 39232. (N42 22.419 W90 33.495) Photos by Kebler Family 10-20-24.