United States, Minnesota, Swift, Swift Co.; between State Hwy.9 and the Burlington Northern Railroad tracks, about 2.5 mi NW of Clontarf; NW1/4 SW1/4 Sec Swift Co.; between State Hwy.9 and the Burlington Northern Railroad tracks, about 2.5 mi NW of Clontarf; NW1/4 SW1/4 Sec. 4, T122N R40W.. 122N 40W 4