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; Lightning Lake (Mont.)
"Lightning Lake is a very beautiful sheet of water, so called from the fact that during Captain Pope's expedition, while encamped here, one of those storms so fearfully violent in this country occurred, during which one of his party was...
"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; Puget Sound; Mount Rainier; Whidbey Island (Wash.)
"Puget Sound forms a most variegated compound of narrow inlets and sounds, interlinked among each other by passages and channels, and connected with Admiralty Inlet" only by the Narrows, a contracted passage near Point Defiance which...
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...
"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; 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.
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...
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...