With the completion of an underwater survey in the Labrador Sea, Canada completed the Atlantic Ocean portion of a five-year national Arctic mapping project of Canada’s Arctic seabed under term of the UN Convention on the Law of the Sea. Canada’s mapping effort is being matched by Denmark, Russia, Norway, France and the United States, which under the terms of this treaty would extend sovereignty to the extent of each country’s continental shelf as opposed to the previous 200-nautical-mile offshore zone.
Read more via this Canwest News Service story.

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The US already mapped this with their subs. The Russians are already mining under water. The UN convention won’t mean much.