Skookum pass, Seward Peninsula, western Arctic, Alaska. During summer heat, underlying frozen permafrost ground acts as a sliding plane along which the soil can slowly move down slope over time.
Photo ID#: 17-27937

Solifluction lobes, Skookum pass

Skookum pass, Seward Peninsula, western Arctic, Alaska. During summer heat, underlying frozen permafrost ground acts as a sliding plane along which the soil can slowly move down slope over time.
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© Patrick J Endres / www.AlaskaPhotoGraphics.com