Military weapons like 81 mm mortar and 75 mm Howitzer being used to set off avalanches in Alta, Utah.
Alta Utah USA Date:1950 Duration:1 min 19 sec Sound:Yes
A training film about the means of forecasting and controlling avalanches in Alta, Utah. A 81 mm mortar being used to set off an avalanche. Men work on the mortar. A 75 mm Mountain Howitzer being worked on for setting off an avalanche. Men load a shell into the Howitzer and fire. A slab avalanche is set off as snow drifts down a slope. A dust cloud is formed.
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