USGS scientists conduct boat-based mapping survey
By California Water Science Center Newsletters
2020 (approx.)
![USGS scientists conduct boat-based mapping survey](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/masked-researchers.jpg?itok=Z-2LarO6)
Detailed Description
USGS scientists conduct boat-based mapping survey
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Public Domain.