Mississippi River
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The Mississippi River is the primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri. From its traditional sourc
The source of the Mississippi River at Lake Itasca
The first bridge (and only log bridge) over the Mississippi, about 25 feet south of its source at Lake Itasca
De facto head of navigation, St. Anthony Falls, Minneapolis, Minnesota
Missouri River
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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, it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Mou
Mississippi River
…River is the primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri. From its traditional source of Lake Itasca in northern Minnesota, it flows generally south for 2,340 mi (3,766 km) to the Mississippi River Delta in…
The Missouri River in Montana
Holter Lake, a reservoir on the upper Missouri River
The Missouri in North Dakota, which was the furthest upstream that French explorers traveled on the river
The Yellowstone River, the fifth longest tributary of the Missouri, which it joins in North Dakota