A valley affected by a slab avalanche in Alta, Utah.
Alta Utah USA Date:1950 Duration:55 sec Sound:Yes
A training film about the dangers posed by avalanches and the methods to control them in Alta, Utah. An area susceptible to slab avalanches. A fracture of a crack line along an area from where the snow breaks away due to unstable conditions. An area affected by slab avalanche. Blocks of snow along the avalanche path. The valley swept by an avalanche.
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