Description
A mountain mass that lies W of Flathead Lake, Stillwater & Tabacco Rivers, E of Kootenai, Fisher & Little Bitterroot Rivers and extends SE from near the confluence of Tobacco River with Kootenai River to near the confluence of Little Bitterroot River with Flathead River; 484800N1151299W (N end), 473200N1142400W (S end), incomplete record.