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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.
There are three: South Dakota, Iowa, and Missouri, with the Missouri River forming all of the border with Iowa.
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
Ohio, Missouri, and Arkansas river
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!! :]
Missouri River
All river lead to the ocean.
moderates
moderates
it is the amzon river