![[ROAD1]](pixdir/blacktop.gif)
The impact of permafrost degradation is obvious in cracking and frost
heaves on Alaskan roads and leaning light poles.
![[ROAD2]](pixdir/blcktop2.gif)
Goldstream Road near Fairbanks, Alaska displaying severe frost cracks
within 10 years of re-surfacing.
![[POLYGONS]](pixdir/polygons.gif)
Low centered frost polygons during spring melt on the Alaskan Coastal Plain.