Plan and profile of Flathead River, Flathead Lake to international boundary, Mont., dam sites, topography by J. L. Lewis, W. G. Carson, L. O. Newsome, E. J. Essick, S. G. Kain, and T. V. Hatcher, surveyed in 1928. Scale 1 m=2 in., scale 1:31,680, contour interval on land 10 ft., contour interval on river surface 2 ft. n. p.