Refrozen ice collapse at Fairbanks to Nenana Stop 5 Photo Credits: Chas Jones An area of a previous ice collapse that is now refrozen and covered by snow. These hidden spots can be hazards when traveling by snowmachine. Process Observed: Travel HazardUnsafe IceIce CollapseOpen Water (Refrozen)Open Water (Hidden) Date Process Observed: Tuesday, April 16, 2013 Galleries: Fairbanks to Nenana Trip Stop 5 Gallery