An avalanche roars down a slope towards the Trans-Canada Highway in Rogers Pass, BC. (The Highway was closed).

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Snow avalanches affect people every winter and spring in parts of Canada. These snowslides can threaten highways, railways, recreationalists and industries such as mining, forestry and tourism. Understanding snow and the science behind it is an important part of snow safety in this country. Snow scientists and avalanche technicians have been looking at snow, snow layers and avalanches since 1884, trying to gain a better understanding of the anatomy of an avalanche. This Learning Object Collection takes a look at the current tools used to help in the study of snow layers in order to correctly assess the avalanche hazard and to ultimately keep people safe in avalanche terrain.

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