traders in their journeys from the Columbia to Canada.[23] Another lies between the head waters of the Flathead and the Marias rivers. Another runs from Lewis and Clarke's river to the southern head waters of the Missouri. Another lies up Henry's fork for the Saptin, in a north-*easterly course to the Big-horn branch of the Yellowstone. And still another, and most important of all, is situated between Wind river cluster and Long's mountains.[24]
There are several spurs or lateral branches protruding from the main chain, which are worthy of notice. The northernmost of these parts off north of Fraser's river, and embraces the sources of that stream. It is a broad collection of heights, thinly covered with pines. Some of the tops are covered with snow nine months of the year. A spur from these passes far down between Fraser's and Columbia rivers. This is a line of rather low elevations, thickly clothed with pines, cedar, &c. The highest portions of them lie near the Columbia. Another spur {223} puts out on the south of Mount Hooker, and lies in the bend of the Columbia, above the two lakes.
These are lofty and bare of vegetation. Another lies
