Year Taken
Unknown
Category
Weathering
Location
Nenana District
Yukon Region, Ak.
Credit
ID. Wahrhaftig, C. 136
Filename
wc0136.png
Description
Polygonal ground, mountaintop east of Rex Dome, Alaska Range.The clay-rich centers swell and collapse sufficiently from freezing and thawing ice that they destroy the roots of any plants that grow on them. Plants gain footholds only along the relatively clay-free borders.Nenana district, Yukon region, Alaska. n.d.
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