U.S. Army Air Corps 1st Provisional Wing at an annual training in Sa Francisco, California. U.S. Army Air Corps A-3 aircraft taxi along a field and take off. Aerial views of San Francisco as A-3 aircraft fly above it. A-3 aircraft in formation flight above the Pacific Ocean off the coast of San Francisco. Aircraft in flight above the clouds. Brigadier General William Gillmore speaks into a microphone from cockpit of B-2 aircraft as he controls A-3 aircraft through radio.
A drill to evacuate babies at a hospital in Philadelphia, Pennsylvania during World War II. An air raid alarm being sounded as nurses carry babies out from a room at St. Vincent hospital for evacuation. Babies being handed over from one person to another, with nurses, nuns, and soldiers all participating in a line. Babies with tags attached to them being placed in a bus. Babies and nurses in a moving bus on the way to a safe facility. Babies at an underground air raid shelter play room. Nurses and nuns look after the children as they play.
People are seen skiing down the slopes of snow covered mountains in Utah. Then, an avalanche of snow is shown across a valley. It thunders down the mountainside covering trees and everything in its path and rapidly approaches the camera position. Scene shifts to a Snow Ranger of the U.S. Forest Service. View of badges worn by such Rangers. View of the Snow Ranger headquarters in Alta, Utah, where avalanche studies are conducted. Camera pans along a swath of deep snow on a mountainside.
A training film ' Avalanche Control ' about the dangers posed by avalanches and the methods to control them in Alta, Utah. Men set up a gun and fire it at a snow covered slope. Snow drifts down the slopes as an avalanche occurs. Steep mountains, open slopes and a snow covered area in Alta, Utah. A highway amidst a snow covered area leading to a ski resort. A machine removes snow from the area. An avalanche affected area near a ski resort. Another area with uprooted and displaced electric poles after an avalanche.
A training film about the dangers posed by avalanches and the methods to control them in Alta, Utah. People enjoy skiing in Alta, Utah. A skier comes down a steep slope. Snow flakes fall on a red surface. A man walks on a level snow covered ground. Wind blows away snow. Steep slopes along mountains susceptible to avalanches. Different types of avalanches like the small snow drift. Snow comes down a slope without posing any danger to life and property. Another type of avalanche is flood avalanche where an enormous mass of snow crashes into the valley posing a great threat to life and property.
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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