The man huddled on the cabin floor was slowly freezing to death. It was high in the Rockies in southwestern Alberta, and outside a blizzard raged. John Elliott had logged miles that day through the deep snows of the mountain passes. As he checked for avalanches and as dusk and exhaustion overcame him he had decided to "hole-up." He made it wearily to his cabin but somewhat dazed with fatigue, he did not light a fire or remove his wet clothing. As the blizzard blasted through the cracks in the old cabin walls, the sleeping forest ranger sank into obli…