Zebra Mussels St. Lawrence River
![person in yellow USGS shirt holding a pile of zebra mussels](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/zebra%20mussels.byrnes_WINNER.jpg?itok=a6OJ1Pw4)
Detailed Description
During a National Water Quality Network (NWQN) sampling trip in May to the St Lawrence River, Hydrologic Technician Dave Knauer finds a batch of Zebra mussels attached to the boat anchor.
Sources/Usage
Public Domain.