Mapping nearshore depths along a beach
![A man wearing safety gear steers a personal watercraft looking to the right, with a small ocean wave behind him.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/PWC-Oct10-2018.jpg?itok=ygT0Y26B)
Detailed Description
Cordell Johnson uses a personal watercraft (PWC) equipped with GPS and sonar to measure seafloor depths near the beach.
Sources/Usage
Public Domain.
Cordell Johnson uses a personal watercraft (PWC) equipped with GPS and sonar to measure seafloor depths near the beach.
Public Domain.