United States, Minnesota, Koochiching, Grand Mound Historical Site. Koochiching Co.; Grand Mound Historic Site, abut 18 mi W of International Falls; Rainy River; Koochiching Co.; Grand Mound Historic Site, abut 18 mi W of International Falls; Rainy River; T70N R26W NW1/4 of NE1/4 of Sec 32. 070N 26W 32