Wreck of Blücher SeaBat 7125 multibeam sonar survey
RESON SeaBat 7125 multibeam sonar surveys the Oslo Fiord in Norway in 2007. The wreck of the Blücher, which was a German heavy cruiser sunk during the World War II, lies on 75 meter depth.
Wreck of Blücher SeaBat 7125 multibeam sonar survey