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Scientist examines firn core

By Alaska Science Center
USGS scientist, examines a full firn core taken on Wolverine Glacier in Alaska.
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Detailed Description

USGS scientist Louis Sass examines a full firn core taken on Wolverine Glacier, making observations of any notable dust or dirt layers in the snow and firn stratigraphy.

Sources/Usage

Public Domain.

Photo taken by Emily Baker, U.S. Geological Survey