A film depicts the causes of avalanches. Mountainous region in the United States. Snow covered mountains. Men standing and working in the area. Every new snowfall adds a new layer of snow on the crust. The phenomenon is explained. The collection of the layers of snow and the occurrence of avalanches is explained. A diagram shows the phenomenon. Men trudging through the snow. Animated diagram shows the occurrence of avalanches.
A film depicts the causes of avalanches. Mountainous region in the United States. Snow covered mountains. Shows and explains how wind causes dangerous cornices. The blowing of heavy wind continuously in the same direction can cause avalanches. A diagram shows the procedure. The occurrence of avalanches can be predicted with the help of several devices. A man holding a tube known as snow sampler. He prepares the tube for the purpose of prediction of avalanches. Men working in the test area. A spanner wrench is placed in the snow. The tube is placed on the wrench to predict the avalanche. Men digging up trench in the snow to inspect the layers of the snow. They measure the thickness of the layers. The observations are recorded. A chart depicts the observations.
A film depicts the causes of avalanches. Mountainous region in the United States. Snow covered mountains. A chart depicts observations and a diagram. Soldiers advancing on the mountainous area with the help of skies. They carry a mortar with them to cause an artificial avalanche. They place the mortar after removing the surface snow. The mortar is adjusted and inspected. The observer watching the slope to be fired through binoculars. The mortar is loaded and fired. The shells explode and the slope snow tumbles down. A man watching through binoculars. More shells are fired and the artificial avalanche occurs. (World War II period).
A film depicts the causes of avalanches. Mountainous region in the United States. Snow covered mountains. Soldiers advancing forward after the mortar fire and inspection of the snow. A soldier caught in the avalanche. Several soldiers working to rescue the soldier. They use various rescue equipment. Soldiers lined up near the area where the soldier is predicted to be caught. They shovel the snow. The tool strikes the body of the soldier and the soldier is taken out. He is wrapped in a blanket and carried out from the area. The snow is cleared of his mouth and he is given artificial respiration. Then the soldier is placed on a sled and the skiers take him out of the area. (World War II period).
Winter sports at Garmisch-Partenkirchen in Bavaria, Germany. View of the mountain ranges and the houses and buildings in the area. A man riding a horse and a skier is pulled by the horse. People gather to watch the games and races. The skiers compete in races.
People enjoying the winters in Garmisch-Partenkirchen in Bavaria, Germany. A house in the area. Snow covered mountains and trees. A man walking in the area. Exterior of a house. People seated in the balcony of a building. A man skiing.
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