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Published online 15 February 2008 | Nature | doi:10.1038/news.2008.603
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Arctic mapping redraws borders
Secrets emerge from 'least-mapped place in the world'.
The recent push for nations to stake a claim to portions of the Arctic sea floor, where potential oil reserves are thought to lie, has thrown a spotlight on how little is known about these areas, and on new attempts to pin the geography down.
Earlier this week, the United States announced that their survey of the sea floor of the Chukchi Cap, a giant underwater peninsula north of Alaska (see map), showed that the foot of its continental slope — where the continental shelf falls off into the ocean basin — is more than 100 nautical miles farther from the US coast than was previously believed.
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