At their backs rose a perpendicular wall of rock and Perrault and Francoiswere compelled to make their fire and spread their sleeping robes on the ice ofthe lak... » 

At their backs rose a perpendicular wall of rock and Perrault and Francoiswere compelled to make their fire and spread their sleeping robes on the ice ofthe lake itself. The tent they had discarded at Dyea in order to travel light.A few sticks of driftwood furnished them with a fire that thawed down throughthe ice and left them to eat supper in the dark. «