U.S. Geological Survey Hydrologic Technicians Collect a Stream Sample
![U.S. Geological Survey hydrologic technicians collect a stream sample from Hallocks Mill Brook](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/PMF_SamilingUSGS1_l.jpg?itok=1Z4sWaAp)
Detailed Description
U.S. Geological Survey hydrologic technicians collect a stream sample from Hallocks Mill Brook downstream of the outfall of one of the wastewater treatment plants investigated.
Sources/Usage
Public Domain.