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Sequoia Fiery Tree Rings

• arclein
The giant sequoias in California's Sequoia National Park are far too thick to be cored for the extraction of the pencil-thin cores typically used by tree ring researchers. So the authors of a new report on tree ring evidence of past droughts and fires used all sorts of other tools to slice and dice 52 giant dead and fallen sequoias, lug the pieces back to roads by hand. Then they spent years piecing together the valuable history in their laboratories.

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