Pits chains (left side of photo) in northern Iceland where the pits have all merged together.

A photo of the pit chains in northern Iceland where the pits have all merged together.

Pits chains (left side of photo) in northern Iceland where the pits have all merged together. Image credit: E. Martin and J. Whitten.

  • Created: 2017

  • Credit:

    E. Martin and J. Whitten.

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