USGS scientists collected water samples in Minnesota Rivers
By Environmental Health Program
2014 (approx.)
![USGS scientists collected water samples in Minnesota Rivers using specialized techniques](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/neuroactive_sampling_austinup_5_l.jpg?itok=sVj9UfLd)
Detailed Description
USGS scientists collected water samples for a study of neuroactive pharmaceuticals in Minnesota Rivers using specialized techniques to insure the samples were not contaminated.
Sources/Usage
Public Domain.