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Team drills near-record ice core

By Adam Mann Researchers working with the West Antarctic Ice Sheet Divide Ice Core project have drilled a column of ice nearly as deep as ten Empire State Buildings stacked atop one another. The final section of the 3,330-meter long core was extracted on 28 January. It is the longest ice core ever drilled by US scientists and the second longest ever made. A joint US, French and Russian team completed the longest ice core, at 3,623 meters, in 1998. Researchers are drilling in this area because it is a very stable part of the West Antarctic icesheet, where snowfall 

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