Cleaning a Sonde at Ship John Shoal
![Samantha Woomer holds a sonde and cleans it with a toothbrush.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Ship%20John%20Shoal-112.jpg?itok=C3sKLwqM)
Detailed Description
Samantha Woomer cleans a water quality sonde with a toothbrush at Ship John Shoal lighthouse.
Photo credit: David Fisher/USGS Contractor
Sources/Usage
Public Domain.
Samantha Woomer cleans a water quality sonde with a toothbrush at Ship John Shoal lighthouse.
Photo credit: David Fisher/USGS Contractor
Public Domain.