"Snow is filled with air.

Mukoki was caught under a snow-slide once and was buried under thirty feet for ten hours.

He had made a nest about as big as a barrel and was nice and comfortable when we dug him out.

We won't have to burn much wood to keep warm now." After breakfast the boys again lowered the barricade at the window and Wabi began to bring small avalanches of snow down into the cabin with his shovel.

At the third or fourth upward thrust a huge mass plunged through the window, burying them to the waist, and when they looked out they could see the light of day and the whirling blizzard above their heads.
"It's up to the roof," gasped Rod.