Referenced In

"Beginning at the mouth of the Missouri, you will take observations of latitude and longitude, at all remarkable points on the river, and especially at the mouths of rivers, at rapids, at islands, and other places and objects distinguished by such natural marks and characters..."

"…the Missouri itself is about five hundred yards in width; the point of union is low and subject to inundations for two hundred and fifty yards, it then rises a little above high water mark, and continues so as far back as the hills.…"

"Near which Loup or Wolf river falls into the Missouri – a waterway repeatedly referenced as the main channel throughout the expedition."

"…the sand of the neighbouring banks accumulates with the aid of that brought down the stream, and forms sandbars, projecting into the river; these drive the channel to the opposite banks, the loose texture of which it undermines, and at length deserts its ancient bed for a new and shorter passage; it is thus that the banks of the Missouri are constantly falling, and the river changing its bed."

"Captain Clarke crossed the river to examine the remains of the fortification we had just passed. This interesting object is on the south side of the Missouri, opposite the upper extremity of Bonhomme island…"

"…their chief residence is on both sides of the Missouri, between the Chayenne and Teton rivers…"

"Above the Ricara island, the Missouri becomes narrow and deeper, the sandbars being generally confined to the points; the current too is much more gentle; the timber on the lowlands is also in much greater quantities, though the high grounds are still naked."

"‘...on the north side of the Missouri, covered with tall and heavy cottonwood.’ This phrase (from the Tuesday 20 entry) clearly refers to the Missouri River."

"we left the fort with fair pleasant weather though the northwest wind was high, and after making about four miles encamped on the north side of the Missouri, nearly opposite the first Mandan village."

"On both sides of the Missouri, after ascending the hills near the water, one fertile unbroken plain extends itself as far as the eye can reach, without a solitary tree or shrub, except in moist situations or in the steep declivities of hills where they are sheltered from the ravages of fire."

"Just above the confluence we measured the two rivers, and found the bed of the Missouri five hundred and twenty yards wide, the water occupying only three hundred and thirty, and the channel deep:"

"the bed of the Missouri is much narrower than usual, being not more than between two and three hundred yards in width, with an uncommonly large proportion of gravel"

"…yet it discharges none into the Missouri, resembling, we believe, most of the creeks in this hilly country, the waters of which are absorbed by the thirsty soil near the river."

"It now became an interesting question which of these two streams is what the Minnetarees call Ahmateahza or the Missouri, which they described as approaching very near to the Columbia."

"Tuesday 11. This morning captain Lewis with four men set out on their expedition up the south branch. They soon reached the point where the Tansy river approaches the Missouri, and observing a large herd of elk before them, descended and killed several which they hung up along the river so that the party in the boats might see them as they came along…"

"At six miles we came to an island opposite to a bend towards the north side; and reached at seven and a half miles the lower point of a woodland at the entrance of a beautiful river, which in honour of the secretary of the navy we called Smith's river. This stream falls into a bend on the south side of the Missouri, and is eighty yards wide."

"Before reaching the fountain of the Missouri they saw several large hawks nearly black, and some of the heath cocks: these last have a long pointed tail, and are of a uniform dark brown colour, much larger than the common dunghill fowl, and similar in habits and the mode of flying to the grouse or prairie hen."

"he found it a rapid clear stream forty yards wide and three feet deep; the banks were low and abrupt, like those of the upper part of the Missouri,"

"We have now reached the extreme navigable point of the Missouri, which our observation places in latitude 43° 30' 43" north."

"The fur of this animal is as good as any we have ever seen, nor does it in fact appear to be ever out of season on the upper branches of the Missouri."

"Having now crossed more than once the country which separates the headwaters of the Missouri from those of the Columbia, we can designate the easiest and most expeditious route for a portage; it is as follows: From the forks of the river north 60° west, five miles to the point of a hill on the right..."

"two of them were sent to the junction of the river from the east, along which the Indians go to the Missouri:"

"While on the head waters of the Missouri, we had every morning a cool wind from the west."

"History of the Expedition Under the Command of Captains Lewis and Clark, TO THE SOURCES OF THE MISSOURI, thence across the Rocky Mountains and down the River Columbia to the Pacific Ocean."

"The mule deer inhabit both the seacoast and the plains of the Missouri, and likewise the borders of the Kooskooskee river, in the neighbourhood of the Rocky mountains."

"the ordinary house rat we found on the banks of the Missouri, as far up as the woody country extends"

"… importing their having penetrated to the Pacific, through the route of the Missouri and Columbia, and through the Rocky mountains…"

"Weahkoonut, whose people resided above on the west side of Lewis’s river, continued his route homeward"

"…and as we found the white and bay associated together on the Missouri; and some nearly white were seen in this neighbourhood by the hunters."

"Neeshnepahkeeook then informed us, that they could not accompany us, as we wished, to the Missouri; but that in the latter end of the summer they meant to cross the mountain and spend the winter to the eastward."

"… a chief named Yoompahkatim … arrived from his village on the south side of Lewis’s river."

"…the two detachments thus fortunately united, leave their horses, and descend the Missouri in canoes—they continue their route down the river to form a junction with captain Clarke…"

"We have seen near this place a number of the whistling squirrel, common in the country watered by the Columbia, but which we observed here for the first time in the plains of the Missouri."

"…From the head of the Missouri at its three forks to this place is a distance of forty-eight miles…"

"About two o’clock they reached, eight miles below Fields’s creek, the junction of the Yellowstone with the Missouri, and formed a camp on the point where they had encamped on the 26th of April, 1805."

"…It is the custom of all the nations on the Missouri, to offer to every white man food and refreshment when he first enters their tents…"

"In passing from the falls of the Missouri, across the Rocky mountains to the navigable waters of the Columbia, you have two hundred miles of good road, one hundred and forty miles of high, steep, rugged mountains, sixty miles of which is covered from two to eight feet deep with snow in the last of June."

"Character of the Missouri, of the surrounding country, and of the rivers, creeks, islands, &c."

"This river is three hundred yards wide at the point where it receives the waters of Medicine river, which is one hundred and thirty-seven yards in width."

"Some parts of these low grounds, however, contain turf or peat of an excellent quality for many feet deep apparently, as well as the mineral salts which we have already mentioned on the Missouri."

"2575 Leaving the Missouri below the falls, and passing by land to the navigable waters of the Columbia river."