Natural Avalanche Northern Bridgers 18 March 11

This slide was likely triggered by a smaller slide off the ridge. The crown was 3-5 feet deep and propagated 400 feet across. It failed on a layer of facets near the ground.
This image is from the following advisory:
GNFAC Avalanche Advisory for Sat Mar 19, 2011
GNFAC Avalanche Advisory for Sun Mar 20, 2011




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