Water-quality sampling on the Illinois River
![USGS scientist stands on a boat deck, lowering a water-quality sampler into a river](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/USGS_IllinoisRiver_WQsampling.jpg?itok=UfMUhuk8)
Detailed Description
Ryan Beaulin and Greg Goodwin (USGS Central Midwest Water Science Center) conduct water-quality sampling on the Illinois River, downstream of Marseilles, Illinois.
Sources/Usage
Public Domain.