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Susy Ellison: "Once the cores are dried and sanded, you can measure distance between the rings using a microscope. The computer screen shows a spreadsheet where you keep track of your data." At the Lamont-Doherty Earth Observatory in Palisades, New York.

Credit to read: Photo by Susy Ellison (PolarTREC 2011), Courtesy of ARCUS

Photographer: Susy Ellison
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Image icon Download Ellison_CIMG0264.jpg (7.07 MB)
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Year: 
2011
Program: 
PolarTREC
Region: 
Alaska
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