![]() The Alaska Railroad built snows sheds at Mile 53 and 75.5 between 19 to protect routes at naturally occurring avalanche chutes. They are constructed by a wide variety of materials such as wood, steel and concrete. ![]() Of snow, temperatures down to -50 degrees, big snow drifts due to heavyĪ snow shed is a rigid snow-supporting structure for avalanche control or maintain passage where snow removal becomes impossible. On the geographic location of the railroad.
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