210112-A-A1408-0002
Zebra mussels cause severe damage to various moving parts of the hydroelectric power plant in Gavins Point, South Dakota. Water strainers and cooling systems clogged up with zebra mussels require regular shut downs due to over heating and the prevention of water flowing through the powerhouse. (photo by: Michael Schnetzer, USACE Omaha District)

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Photo by: Michael Schnetzer |  VIRIN: 210212-A-A1408-0002.JPG