USGS Scientist sampling water at Horicon National Wildlife Refuge
By Environmental Health Program
May 2022 (approx.)
![Picture of a scientist preparing to sample from a lake](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/MicrosoftTeams-image_2.png?itok=AgXKBLyK)
Detailed Description
USGS Hydrologist collecting water from a dock at Horicon National Wildlife Refuge
Sources/Usage
Public Domain.