Economy

September 11, 2009 1:53 PM

U.S., Canada mapping Arctic floor in hopes of claiming oil

Since early August, icebreakers from the two countries have criss-crossed icy areas of the Beaufort Sea, measuring how far the continental shelf extends into the Arctic. The farther the shelf extends, the larger the swatch of the Arctic sea floor over which the United States and Canada can assert exclusive control of minerals and resources there.

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