What is a Lead?

Leads are large cracks or lanes that are formed by movement of the Arctic sea ice by currents.  They can open suddenly at any time.  They are a great way for the Healy to easily move through the ice.  

From the bow of the Healy, the Aloftcon shows the leads in the ice.

Healy traveling through Leads.

Photo from the Bow of the Healy taken from the Aloftcon dated Tuesday, August 30, 2011. This photo shows the Healy traveling through leads in the ice.

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