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Mississippi National River and Recreation AreaThe historic Stone Arch Bridge across the Mississippi River.
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Mississippi National River and Recreation Area
Mussel Siphon
A mussel sticking out its siphon.
A mussel sticking out its siphon.
Headwaters of the Mississippi  

Did You Know?
The Mississippi River is approximately three feet deep at its headwaters at Lake Itasca and has an average surface speed of 1.2 miles per hour.

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Last Updated: September 20, 2006 at 16:48 EST