Expeditions & surveys; Railroad surveys; Rocky Mountains; Lewis and Clark National Historic Trail
Drawing depicts a view of the Rocky Mountains, looking westward. Point (a) marks the Lewis and Clark Trail, and point (b) marks Heart Mountain. Plate LXIII.
Expeditions & surveys; Railroad surveys; Military life; Valleys
Looking westward from Cantonment Stevens in the Bitter Root valley. Lieutenant Mullan and his party "established this camp ten miles above Fort Owen." The cantonment sat a little removed from the Indian camp and consisted of "four...
Expeditions & surveys; Railroad surveys; Clark Fork River (Mont.); Flathead Lake (Mont.)
The Clark Fork River, "being much cut up by coulees, have the appearance of that on the Upper Missouri. The soil is principally a light yellow clay; the stream here is two hundred yards wide, swift and deep, sparsely timbered with pine and...
Expeditions & surveys; Railroad surveys; Springs; Bitterroot Range
Near the summit of the Bitter Root Mountains, "a hot spring with a temperature of 132 degrees, around which was a fine prairie camping ground." Plate LVII.
"Just below the outlet of Flathead Lake there is a series of rapids and falls, one of which, at the time, was fifteen feet high. The country to the west of the lake is a high rolling prairie. Salmon trout, three feet long, are caught in it,...