Search results
Aug 2, 2024 · The upper Missouri River at Gates of the Mountains, western Montana, north of Helena. Missouri River, longest tributary of the Mississippi River and second longest river in North America.
- Rock River
Rock River, nonnavigable stream in the north-central United...
- Madison
Madison River, river in southwestern Montana and...
- Columbia
Columbia, city, seat of Boone county, near the Missouri...
- Nebraska City
Table of Contents Ask the Chatbot a Question Ask the Chatbot...
- Sioux City
Sioux City, city, seat (1856) of Woodbury county,...
- Saint Charles
Saint Charles, city, seat of St. Charles county, eastern...
- Williston
Williston, city, seat (1891) of Williams county,...
- Atchison
Atchison, city, seat (1855) of Atchison county, northeastern...
- Rock River
Coordinates: 38°48′49″N90°07′11″W38.81361°N 90.11972°W. For other uses, see Missouri (disambiguation). The Missouri River is a river in the Central and Mountain West regions of the United States.
It begins in southern Montana in the Rocky Mountains, first flowing north then generally southeast across the heart of the United States, ending at the Mississippi River, just to the north of St. Louis, Missouri.
- John Moen
- Contents
- Course
- Climate
- History
- Plant and Animals
- Development
- Threats
The headwaters of the Missouri River are formed by the confluence of the Jefferson, Gallatin, and Madison Rivers in the Rocky Mountains, southwestern Montana. Missouri is fed by 95 significant tributaries and hundreds of smaller streams with most of the large ones coming in as it draws closer to its mouth. The watershed comprises of the drainage ba...
River Missouri’s drainage basin experiences a continental climatecharacterized by harsh cold winters and warm wet summers. The rainfall averages 10 inches each year with the western part of the Rockies and the southeastern regions receiving highs of 40 inches. Most of the rainfall occurs during summer in the middle and lower basin while the upper p...
As identifies on some early French maps, the Missouri river was named Peki-tan-oui and later renamed Oumessourit (Big Muddy) because of the amounts of solid matter it carries. Its watershed is believed o have been inhabited during the Pleistocene period. Towards the end of the glacial period, the river acted as a main migration channel used by nati...
The Missouri River channel supports a mixture of habitats including open grasslands, river forests, prairies, and native wildflowers. Biodiversity increases as the river progresses downstream from the cool subalpine headwaters in Montanato the temperate humid climate of Missouri. In the floodplains, the newly deposited silt supports growth of cotto...
From the late 19th century into the 20thcentury, a number of dams have been constructed along the course of the Missouri transforming about 35% of the river into a chain of reservoirs. These developments were stimulated by the increased demand for rural electrification in the northwestern parts of the basin. The floods and droughts that had been pl...
Human activities along the course of the river dating to the early 19th century have led to pollution of the Missouri river hence degrading its water quality. Most of the river’s floodplain habitats has been lost to farmlands. Fertilizer runoffs has led to the increase in nitrogen levels especially in the lower parts of Iowa and Missouri. This leve...
A statewide map of Missouri showing the major lakes, streams and rivers. Drought, precipitation, and stream gage information.
The Missouri River will travel more than 2,300 miles before it joins the Mississippi in its namesake state at St. Louis, forming the world’s fourth longest river system as it rolls south to the Gulf of Mexico.
Sep 3, 2013 · Map of the Missouri River watershed with tributaries and states labelled. The Missouri River is the longest river in North America, longest tributary in the United States and a major waterway of the central United States.
