United States, Minnesota, Beltrami, NE1/4 NW1/4 Sec 1, T156N, R31W; ca 14.5 mi N of the Waskish Airport on Rte 72, about 0.5 mi W of the road. Coll site no. NE1/4 NW1/4 Sec 1, T156N, R31W; ca 14.5 mi N of the Waskish Airport on Rte 72, about 0.5 mi W of the road. Coll site no. 1.. 156N 31W 1