• 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.

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Did You Know?

The wide Mississippi River

At Lake Onalaska, near LaCrosse WI, the Mississippi River is about 4 miles wide. The combination of water held behind Lock and Dam #7 and water held by damming the Black River form this broad reach of the Mississippi River.