The Missouri River’s history is profoundly rich and immeasurably impactful on the development of the west and our entire country. The name, Missouri, comes from the Indians that lived in the region, the Missouri and Ottee. From the Siouan language the name was, “Ouemessorita”, (pronounced Oh-ma-sur-ray) which literally means “people of the wooden canoe.” Later anglicized to be spelled and pronounced, Missouri. The Missouri was formed about 30 million years ago. The Missouri River is the longest river in North America and the 4th longest in the world (when combined with the Mississippi River system). There are 10 dams located on the Missouri River in Montana and another 5 dams located in North Dakota and South Dakota.

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