Drain the OceanDVD - 2009
"Three-quarters of Earth is an alien world, lying beneath the surface of the oceans. And although it encompasses over half of the world's species, we know more about the surface of Mars than the bottom of the ocean. It's only recently that science has penetrated this world, revealing extraordinary life forms and vast sweeping landscapes on a scale that defies imagination"--Container.
Alternative Title: Into the abyss [videorecording]
Publisher: [United States] : National Geographic, 
Branch Call Number: 551.468
Characteristics: 1 videodisc (90 min.) : sd., col. ; 4 3/4 in.