Note 131 — LETTER II
Reading edition
De Smet thus describes his route: "For two days we were going up the Gallatin, the southern fork of the Missouri; thence we crossed by a narrow pass (Bozeman's) thirty miles in length to the Yellowstone river, the second of the great tributaries of the Missouri."—Chittenden and Richardson, De Smet, i, p. 234.—Ed.