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NOAA Photo Library Image - line5210

As opposed to this being a frost heave, this is a frost heave with the ground sagging down in an area of melting permafrost causing a thermokarst.

Image ID: line5210, NOAA's America's Coastlines Collection
Location: Alaska, St. Michael
Photo Date: 2010 August
Photographer: Dr. John Cloud, NOAA Central Library


High Resolution Photo Available





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Last Updated:
April 30, 2013