Avalanche: Skyline 12/9/2009

Observer Name: 
Grant Helgeson
Observation Date: 
12/11/2009
Occurrence Date: 
12/09/2009
Occurrence Time: 
Unknown
Region: 
Skyline
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Location

39° 36' 36.0684" N, 111° 18' 42.0264" W
Avalanche Characteristics
Elevation: 
9500'
Aspect: 
East
Slope Angle: 
Unknown
Trigger: 
Snowmobiler
Trigger: additional info: 
Unintentionally Triggered
Avalanche Type: 
Hard Slab
Weak Layer: 
Facets
Depth (avg): 
3.5'
Width: 
350'
Vertical: 
350'
General Comments

I can't be certain, but it looks like this avalanche was triggered by a snowmobiler.  There are tracks into, and out of the debris.&

P1060066.JPG
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