Do your part to help stop the spread of zebra mussels:
Detailed information about zebra mussels can be found in a handout titled, "Stopping the Spread of Zebra Mussels" (pdf), also available at Riverway visitor centers.
Did You Know?
St. Croix National Scenic Riverway is home to 40 species of native mussels. Throughout the United States their populations are considered highly threatened. The Higgins Eye Pearly mussel is on the endangered species list.