• Mississippi National River and Recreation Area

    Mississippi

    National River & Recreation Area Minnesota

Elktoe Mussel

Elktoe (Alasmidonta marginata)
A large Elktoe mussel (Alasmidonta marginata) in a person's hands.

Did You Know?

Lock at St. Anthony Falls

The Upper St. Anthony Falls Lock and Dam within the Mississippi National River and Recreation Area is 49 feet deep.