+The Missouri River, a vast waterway, flows through the [United States](/wiki/united_states), forming a vital artery of the central plains. It is North America's longest river, eventually joining the mighty [Mississippi River](/wiki/mississippi_river).
+## See also
+- [River](/wiki/river)
+- [Waterway](/wiki/waterway)
+- [Great Plains](/wiki/great_plains)
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