Expeditions & surveys; Railroad surveys; Assiniboine Indians; Gifts; Fort Union (Mont.)
"Fort Union is situated on the eastern bank of the Missouri River, about 2 ¾ miles above the mouth of the Yellowstone. It was built by the American Fur Company in 1830, and has from that time been the principal supply store or depot of that...
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; Fort Benton (Mont.); Missouri River
"Fort Benton stands on the eastern bank of the Missouri, near the Great Bend." "The river is here perfectly transparent at most seasons of the year. The Teton River empties into the Missouri six miles below Fort Benton; the Marias...
Expeditions & surveys; Railroad surveys; Marias River (Mont.)
Marias River "flows in a channel two or three hundred feet below the prairie level, and is tolerable well wooded. The water was at that time one hundred and fifty feet wide and two to four feet deep, slightly milky, with a swift current and...
Expeditions & surveys; Railroad surveys; Milk River (Mont.)
"The valley of the Milk River is wide and open, with a very heavy growth of cottonwood as far as the eye can reach, which is also to be found along the adjacent shores of the Missouri River." Plate XVIII.
Drawing depicts Milk River with Bears Paw Mountain in the distance. Bears Paw, "a broad and rugged mountain upheaval, stretches from Milk River to the Missouri." Plate XXII.
Expeditions & surveys; Railroad surveys; Teton River (Minn.); Valleys
The Teton Valley, "a vast plain, descending towards the east, the soil of inferior quality, and the dry vegetation indicated the change in the climate observed in going over the high, dry plains towards the Missouri." "The valley...
Expeditions & surveys; Railroad surveys; Waterfalls; Cliffs; Great Falls (Mont.)
The cliffs at the falls are about "one hundred fifty to three hundred feet deep with a steep descent to within fifty feet of the bottom, and for the remaining distance perpendicular walls of red sandstone." "Above the falls the banks...