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Collecting permafrost information on the Tahana River

By Climate Adaptation Science Centers 2015 (approx.)
Collecting permafrost information on the Tahana River
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Detailed Description

David Pelunis-Messier and Milton Roberts navigating on the Tanana River, a main tributary of the Yukon River. The two are taking part in the Yukon River permafrost study. 

Sources/Usage

Public Domain.