The ship that sent an iceberg warning to the Titanic on its fateful voyage in 1912 has been discovered on the ocean floor. The wreck of the SS Mesaba, a merchant vessel that sent a wireless radio ...
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Sonar survey confirms mastodon carving at 9,000-year-old Lake Michigan’s ‘Underwater Stonehenge’
Multibeam sonar and remotely-operated-vehicle footage collected during the April–May 2025 dive season have mapped the entire formation that sits about 40 feet (12 m) below the surface of Lake Michigan ...
This is a view of the multibeam sonar water column backscatter data used to detect gas seeps. Gas seeps derived from the sonar are shown in the foreground. Image produced by the University of New ...
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