Ground-truth studies
![Collage of maps and photographs of the seafloor show how scientists correlate the sediment variations with potential habitats.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/sim3225_sheet6_0.jpg?itok=gJamcibV)
Detailed Description
Smaller version of Ground-Truth Studies (Sheet 6) from USGS Scientific Investigations Map 3225, California State Waters Map Series—Hueneme Canyon and Vicinity, California, as an example of the different kinds of maps (“sheets”) produced within a coastal map “block”.
Sources/Usage
Public Domain.