Hidden open water or thin ice at upper end of Yukon Slough
![](https://jukebox.uaf.edu/sites/default/files/styles/large/public/dig/March2311_Site44b.jpg?itok=EFzVkq1L)
Areas with lots of hidden pits and holes, like at the upper end of Yukon Slough, can be dangerous as open water can be hidden under the snow, or the snow insulation can create thin ice below.
Process Observed:
Date Process Observed:
Wednesday, March 23, 2011
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