NO!!!!
Its source is in the Rocky Mountains. It flows eastwards from that source tgo join the Mississippi.
There are three: South Dakota, Iowa, and Missouri, with the Missouri River forming all of the border with Iowa.
1. First of all, a tributary is a river that flows into a larger river. 2. A Missouri river a tributary. 3. THE major river of which the Missouri River is a tributary is the Mississippi River. The confluence of the Missouri River with the Mississippi River is at St. Charles, Missouri, located just north of St. Louis. 4.The Missouri River is the largest tributary of the Mississippi River, being not much smaller at point of confluence.
Missouri River
Arkansas River, White River, Mississippi River, Missouri River are the major rivers. For a full list of all tributaries, see related links.
Secretary of State James Buchanan
St.Paul is to the east of the Mississippi river for all of u people not in Missouri!! :] St.Paul is to the east of the Mississippi river for all of u people not in Missouri!! :]
Ohio, Missouri, and Arkansas river
Missouri River
it is the amzon river
moderates
moderates
My understanding is that it consisted of all the land drained by the Mississippi-Missouri river complex. The exact boundaries were not at all precise.