"This valley for the most part is wide and open." There are "spurs separating it from the Hell-Gate Valley on the south," and "separate on the north the various tributaries flowing into the Blackfoot River." Plate LXII.
Approximately "fifty miles long and fifteen miles wide," Big Hole Prairie "is hemmed in by high mountains on every side except the southeast where Wisdom River passes out from it." Plate XLIX.
Chemakane Mission named for a nearby spring, was "occupied by Messrs. Walker and Eel; but, in 1849, in consequence of the Cayuse difficulties, it was abandoned." "The site of the mission is five miles from the Spokane River, in an...
Assiniboines at the expedition encampment "arranged to receive their presents. They were seated around in the form of three sides of a square, the open side being opposite to the places occupied by the expedition party, the chief, and the...
"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,...
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; Fort Okanogan (Wash.)
"Fort Okinakane (Okanogan) is an old and ruinous establishment of the Hudson Bay Company." "The character of the Columbia along the western border of the Spokane Plain and as far as Fort Okinakane (Okanogan) is described as follows:...
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; Canyons; Grand Coulee (Wash.)
"The Grand Coulee is about ten miles wide where it opens on the Columbia River at its northern end, which is a hundred feet above the water, and gradually widens toward the south; its walls, eight hundred feet high are formed of solid basaltic...
A conical mound near the center of a beautiful prairie called the "Deer Lodge". The mound stands "about thirty feet high, around the base of which are innumerable springs of hot water. On top of the mound a spring three feet in...
"The Columbia River at Fort Colville is about three hundred and fifty yards wide just above the Sometknu, or Kettle Falls. These consist of two pitches, one of fifteen feet and another below it of ten, and the river is narrowed to two hundred...
Expeditions & surveys; Railroad surveys; Lake Jessie
"The water of Lake Jessie is considerably saline in its character," "and the theory for the saline qualities is found in the fact that it is never washed out, and retains the salt deposits and incrustations." Plate XI.
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...
"Minnehaha, or the Laughing Water, called also Brown's Falls. It is situated west of the Mississippi, and distant about three miles from Fort Snelling. Ten miles above the falls the stream flows from Lake Calhoun, and it passes through a level...
Expeditions & surveys; Railroad surveys; Mount Baker (Wash.); Cascade Range
"Mount Baker is one of the loftiest and most conspicuous peaks of the northern Cascade range; it is nearly as high as Mount Rainier, and, like that mountain, its snow-covered pyramid has the form of a sugar-loaf." Plate LXX.
Expeditions & surveys; Railroad surveys; Mount Rainier (Wash.)
"Mount Rainier is one of the highest and most prominent peaks of the Cascade range." "The mountain was first discovered by Vancouver in the beginning of May of 1792, from Port Townsend. He named it in honor of his friend, Rear...
Expeditions & surveys; Railroad surveys; Mouse River (N. Dakota)
"Near Mouse River there are salt marshes" "and in some places deposits of salt a quarter of an inch thick." Mouse River valley "resembles that of the Sheyenne (Cheyenne). High ridges divide the plateau bordering the stream...
"The Peluse (Palouse) River flows over three steppes, each of which is estimated to have an ascent of a thousand feet. The falls descend from the middle of the lower of these steppes." "The fall of the water, which is about thirty...
Expeditions & surveys; Railroad surveys; Saint Paul (Minn.)
"St. Paul is beautifully located upon a high bluff on the east bank of the river, and is rapidly growing in size and importance. It is quite a business place, everything indicating vigor and activity. Among its prominent buildings are the...