• Mississippi National River and Recreation Area


    National River & Recreation Area Minnesota

Measuring Mussels

Measuring mussels.
Measuring native mussels with calipers.

Did You Know?

Canoeists in the Mississippi River Gorge

A canoe trip in the Mississippi River Gorge between Minneapolis and St. Paul, MN feels like you are miles away from civilization even though you are in the center of a large metropolitan area.