Note 114 — {72} CHAPTER V
Reading edition
Townsend probably refers to the Three Buttes of the Lewis River plain, about forty miles west of their camp. The Three Tetons—a magnificent group of snow-clad mountains—were sixty miles northeast, in the present Teton Forest Reservation, Wyoming.
Portneuf is an eastern affluent of Lewis River, and a well-known halting pace on the Oregon Trail.—Ed.