Inspect Pile
A diver made this movie with a diver-held DIDSON. He got two views
of the pile by rolling the sonar 90-degrees with a twist of his wrist.
A diver made this movie with a diver-held DIDSON. He got two views
of the pile by rolling the sonar 90-degrees with a twist of his wrist.
THIS IMAGE WAS CAPTURED BY OR FEATURES A DIDSON™