Collecting a water-quality sample from a boat
![Hydrologic technicians collecting a water-quality sample from a boat, Merrimack River, Haverhill, Massachusetts](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Sampling-at-011006988_web.jpg?itok=JVohj2L6)
Detailed Description
Hydrologic technicians collecting a water-quality sample from a boat at USGS site 011006988, Merrimack River at Bates Bridge, Haverhill, Massachusetts.
Sources/Usage
Public Domain.