Note 184 — OREGON MISSIONS AN OUTLINE SKETCH OF OREGON TERRITORY AND ITS MISSIONS

This stream, now known as St. Regis Borgia, is a tributary of the Missoula from the west. Rising in Bitterroot Mountains it flows slightly south of east through a fertile valley, which forms the present route of the Northern Pacific Railway. See De Smet’s Letters, in our volume xxvii, p. 362, note 183.—Ed.