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It Will Take At Least 50 Years To Map The U.S. Arctic

caption: A Coast Guard C-130 flies over the Arctic Ocean during an Office of Naval Research-sponsored study of the changing sea ice, ocean and atmosphere.
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A Coast Guard C-130 flies over the Arctic Ocean during an Office of Naval Research-sponsored study of the changing sea ice, ocean and atmosphere.
Flickr Photo/Office of Naval Research (CC BY 2.0)/http://bit.ly/1L2lhwW

Jeannie Yandel talks to Rear Admiral Gerd Glang, head of NOAA's office of coast survey, about why only 1 percent of the U.S. Arctic Ocean has been mapped with modern tools.

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