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Canada on mission to map Arctic, lay claim to broader boundaries
Canada on mission to map Arctic, lay claim to broader boundaries

Canada has dispatched two icebreakers to map the Arctic seabed beneath the North Pole to support a bid to extend the country's maritime territory deeper into the waterways at the top of the world. A preliminary submission to the United Nations Commission on the Limits of the Continental Shelf in December laid claim to about 460,000 square miles of undersea territory in the far north. Canada's claim is likely to be challenged by Russia and Denmark, though. Both have asserted sovereignty over Arctic passages and the suspected oil and mineral wealth beneath. Canadian Coast Guard icebreakers Terry Fox and Louis S. St. Laurent set out from Newfoundland on Friday and Saturday,...

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