• Mississippi National River and Recreation Area

    Mississippi

    National River & Recreation Area Minnesota

Mussel Siphon

A mussel sticking out its siphon.
A mussel sticking out its siphon.

Did You Know?

Headwaters of the Mississippi

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.