If you don't mind my asking, do you know (or can you surmise) how Will Steger and his team made it across Antarctica? I remember following their dog-sled-ski

If you don't mind my asking, do you know (or can you surmise) how Will Steger and his team made it across Antarctica? I remember following their dog-sled-ski traverse in the papers while living in MN. But, I don't remember reading how they handled crossing the crevasses.