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Dan Kraker and Derek Montgomery
Duluth

Photos: Lake Superior's annual ice-breaking ritual

The U.S. Coast Guard Cutter Alder breaks ice to create navigation lanes.
The U.S. Coast Guard cutter Alder breaks ice and creates navigation lanes for the opening of the maritime shipping season on Friday in the Duluth-Superior harbor, "taking all the bigger pieces of ice that we find, making them a little bit smaller, and just grooming a path, just like your cross country ski path," said Lt. Daniel Kubasch, the executive officer onboard.
Derek Montgomery for MPR News

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