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The Missouri River is a river in the Central and Mountain West regions of the United States. The nation's longest, [13] it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Mountains of southwestern Montana, then flows east and south for 2,341 miles (3,767 km) [9] before entering the Mississippi River north of St. Louis, Missouri. The river drains semi-arid ...
May 8, 2024 · Missouri River, longest tributary of the Mississippi River and second longest river in North America. It is formed by the confluence of the Jefferson, Madison, and Gallatin rivers in the Rocky Mountains area of southwestern Montana (Gallatin county), U.S., about 4,000 feet (1,200 metres) above sea level. The Missouri proper has a total course ...
- The Editors of Encyclopaedia Britannica
Apr 15, 2021 · Learn about the longest river in North America, its source, course, climate, wildlife, and human impacts. Explore the map, photos, and facts of the Missouri River and its tributaries.
Learn about the history, ecology, and challenges of the Missouri River, which flows from Montana to the Gulf of Mexico. Find out how American Rivers works to protect and restore this vital waterway and its floodplain.
Feb 27, 2023 · Learn about the Missouri River, the longest river in the United States, and its origins, course, and tributaries. Discover its history from Native American tribes to steamboats, dams, and irrigation, and its role in the American West.
- Vanessa Locampo
The Missouri River in the United States is the longest tributary of the Mississippi River . Lewis and Clark determined in 1805 that the Missouri begins at the confluence of the Madison, Jefferson, and Gallatin rivers in Montana. This determination is still widely accepted, though it was disproven by Jacob V. Brower in the mid-1890s. He discovered the true source to be Brower's Spring, at an ...
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Jun 11, 2018 · Learn about the longest river in the United States, its history, geography, and ecology. Find out how it was explored, navigated, and developed by various cultures and nations.
