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Coring the tundra

By Pacific Coastal and Marine Science Center September 2015 (approx.)
Two photos, one shows a man using a hand-held drilling core, the other shows the core of dirt pulled out.
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Detailed Description

Left, Cordell Johnson drilling and coring the interior of the bluff to ground-truth geophysical methods. Right, a core section filled mostly with ice.

Sources/Usage

Public Domain.