Snowmachine by open hole at Fairbanks to Nenana Stop 17 Photo Credits: Chas Jones Holes can develop in the ice at any time. It is important to pay attention when traveling and keep an eye out for such hazards, even when on the main trail. Process Observed: Open Water (Hidden)Travel Hazard Date Process Observed: Tuesday, April 16, 2013 Galleries: Fairbanks to Nenana Trip Stop 17 Gallery