A documentary about the dangers posed by avalanches in the mountainous regions of the United States. A snow stake being used to measure th depth of snow. Reading shows 11 feet depth of snow. Heavy snow fall takes place. Snow stakes shows the reading of fresh snow fall as 2 feet. Wind force being measured with the help of anemometer. Strong wind blows during snow fall. A man on ski board as he climbs up a slope. Wind wane indicates the wind direction. Snow load along the slope. A vehicle covered with snow. An avalanche plunges down a mountain.
A documentary about the dangers posed by avalanches in the mountainous regions of the United States. A snow ranger works on past records and data to predict the occurrence of avalanche. A hydrothermograph. A ranger crushes snow and blows it up. Another ranger checks for unsettled snow. A ranger checks for damp snow on a car to predict an avalanche. A ranger skies down a slope. He hits at fracture points to check out the possibility of an avalanche.
A documentary about the dangers posed by avalanches in the mountainous regions of the United States. A snow ranger puts up a sign that reads ' area closed' to keep away people from the area where avalanches are likely to occur. Men ski down a snow covered slope. A board with a warning on it against the occurrence of avalanche. A ranger informs over a phone about the occurrence of avalanche. A board reads 'Road Closed' . Rangers ski down a pass in Alta. Rangers deliberately ski down a slope as a part of avalanche control method. Explosives being loaded in a bag and rangers carry them along as they climb up a snow covered slope.
A documentary about the dangers posed by avalanches and the methods to control them in the mountainous regions of the United States. A snow ranger on Mount Baldy in Alta, Utah prepares a package of avalanche starters. Ranger works on cables and a pack of explosives. He tosses the charge onto an avalanche slope. A slide pass being treated. Snow comes rolling down the pass. Snow comes down the same slope on another day. Corners of the slide being treated as ranger digs and plants a charge. Snow blown away. A safety rope helps the ranger stay on top as the explosive goes off in the corner.
A documentary about the dangers posed by avalanches and the methods to control them in the mountainous regions of the United States. The Utah National Guard gun crew and forest rangers work on an artillery gun. A gun is fired, a high explosive shell hits at Rustler Mountain of Alta resort. Snow avalanche is triggered and drifts down the slope. The controlled avalanche reduces the chances of an uncontrolled avalanche in the near future. A snow ranger looks through binoculars as he keeps a vigil to check for any avalanches. Men ski along the snow covered slopes.
United States Marines during Allied operations in Guam, Mariana Islands, World War II. LVTs (Landing Vehicles Tracked) underway in the Pacific Ocean. A ship at sea. Smoke rises in the background. A puff of smoke rises upwards. LVTs and LCVPs (Landing Crafts Vehicle Personnel) underway at sea. U.S. Marines loaded onto LVTs and LCVPs as they head for the Guam coast. A LST (Landing Ship Tank) at sea as a LVT enters the LST.
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