A USGS technician conducts a phytoplankton net tow to measure harmful algae and toxins in San Francisco Bay.
![Scientist on boat wearing blue pants, green shirt, hat, life jacket, holding white net, with bridge and land in background.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Kat%20SF%20Bay.png?itok=xI0Rjdrc)
Detailed Description
A USGS technician conducts a phytoplankton net tow to measure harmful algae and toxins in San Francisco Bay.
Sources/Usage
Public Domain.