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Permafrost polygons on the northeastern NPRA coastal plain. Field of view in middle of photo is approximately 1/2 mile. Location in northeastern NPRA about 20 miles west of Colville River delta.
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Permafrost polygons on the northeastern NPRA coastal plain. Field of view in middle of photo is approximately 1/2 mile. Location in northeastern NPRA about 20 miles west of Colville River delta.