Upper Mississippi River
Upstream portion of the Mississippi river / From Wikipedia, the free encyclopedia
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For the wine region, see Upper Mississippi Valley AVA.
The Upper Mississippi River is today the portion of the Mississippi River upstream of St. Louis, Missouri, United States,[1] at the confluence of its main tributary, the Missouri River.[citation needed] Historically, it may refer to the area above the Arkansas Post, above the confluence of Ohio River, or above Cape Girardeau.
Quick Facts Location, Country ...
Upper Mississippi River | |
---|---|
Location | |
Country | US, Canada [1] |
Physical characteristics | |
Source | |
• location | Lake Itasca, Minnesota[1] |
• coordinates | 47.253°N 95.212°W / 47.253; -95.212 |
• elevation | 450 m (1,480 ft)[2] |
Mouth | |
• location | St. Louis, Missouri (flows into the Middle Mississippi) [1] |
Length | 1,300 miles (2092.147 km) [3] |
Basin size | 490,000 km2 (190,000 sq mi)[4] |
Discharge | |
• average | 5,796 m3/s (204,700 cu ft/s)[5] |
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