USGS scientist records information at a sampling site
By Environmental Health Program
2013 (approx.)
![USGS scientist records information at a sampling site on a stream in Pennsylvania](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/dbp_skalak_at_wwtp_outfall_l.jpg?itok=_fRWp0-c)
Detailed Description
USGS scientist records information at a sampling site on a stream in Pennsylvania. The stream was sampled immediately downstream of the point of discharge of treated wastewater.
Sources/Usage
Public Domain.