Broken ice beneath snow insulation at upper end of Yukon Slough
![](https://jukebox.uaf.edu/sites/default/files/styles/large/public/dig/March2311_Site44c.jpg?itok=yW9kgRVE)
Thin ice beneath snow insulation, like observed at the upper end of Yukon Slough, can suddenly break, creating open spots and unsafe areas for traveling.
Process Observed:
Date Process Observed:
Wednesday, March 23, 2011
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