Drilling for oil in the Arctic

The combination of $100-plus oil and falling reserves is sparking a frenzy of oil and gas activity from Alaska to the North Pole.

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Beacon in the snow
Beacon in the snow
A ConocoPhillips drilling rig near the Alpine field, 250 miles north of the Arctic Circle on Alaska's North Slope.
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Last updated August 20 2008: 12:24 PM ET
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