USGS scientists performing tox trials on native and non-native species
![USGS scientists performing tox trials on native and non-native species of fish.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/USGS_scientists_performing_tox_trials.jpg?itok=QUTt-omr)
Detailed Description
USGS scientists performing tox trials on native and non-native species of fish.
Sources/Usage
Public Domain.
USGS scientists performing tox trials on native and non-native species of fish.
Public Domain.