Underwater Archaeology

33 feet activities air supply air-lift Albenga amphorae apparatus appear aqualung archaeological archaeologist artifacts associated Atlantis atmospheres Bass boat breathing bronze Cape Gelidonya carbon cargo century B.C. course decompression decompression chamber decompression sickness decompression stop depth descent discovery divers diving bell drowned earth equipment established evidence excavation existence extent face mask Frédéric Dumas free diver Grand Congloué Greek harbour helmet Henry Fleuss hull immersion interest investigation island J. Y. Cousteau jars known Lake land lungs Mahdia marine Mediterranean metal Museum Nino Lamboglia nitrogen nitrogen narcosis objects ocean once operation oxygen period photographic Photos port pressure problem recovered region remains result Roman rubber sea-bed seemingly ship Siebe Gorman sponge submarine submerged subsequently suit sunken surface swimmers Tailliez task timber tion Tollund tube undersea undertaking underwater archaeology Vasa vessel vicinity wearer Yassi Ada