Snowdrift below sandbar cutbank at Fairbanks to Nenana Stop 12 Photo Credits: Chas Jones Snowdrifts accumulating below sandbar cutbanks can insulate the ice causing thin ice conditions to be hidden below. Process Observed: SandbarSnow InsulationThin IceTravel HazardOpen Water (Hidden) Date Process Observed: Tuesday, April 16, 2013 Galleries: Fairbanks to Nenana Trip Stop 12 Gallery