Hidden holes of open water at Fairbanks to Nenana Stop 7 Photo Credits: Chas Jones Holes of open water hidden under thin ice and snow. This is an indicator of a dangerous area to be avoided when traveling. Process Observed: Open Water (Hidden)Thin IceUnsafe Ice Date Process Observed: Tuesday, April 16, 2013 Galleries: Fairbanks to Nenana Trip Stop 7 Gallery