There’s added concern since the trans-Alaska pipeline lies just hundreds of feet beyond the Dalton Highway.
The Fairbanks Daily News-Miner reports the ice mass dubbed Frozen Debris Lobe A is about 142 feet from the highway, at mile marker 219. The highway serves as the supply road for oil companies working at Prudhoe Bay.
Researchers say it could reach and impact the highway in anywhere from three to 10 years. State transportation officials are planning to reroute the road there. The project has an early estimated cost of $68 million, and it is slated to begin in 2017.
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