Sampling the Delaware
![USGS hydrographer standing in the river holding a sampling rod with a bridge high in the air behind him](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/2020.09.23.01463500%20JCohl.jpg?itok=0eodiZ7w)
Detailed Description
USGS Hydrographer Jon Cohl collecting water quality samples of the Delaware River for the NWQN at the Delaware River at Trenton, NJ (01463500) Site
Sources/Usage
Public Domain.
USGS Hydrographer Jon Cohl collecting water quality samples of the Delaware River for the NWQN at the Delaware River at Trenton, NJ (01463500) Site
Public Domain.