How to dress for winter; how to create a campsite and what to use as shelter; how to keep warm. How to signal for help with aerial flares, smoke, mirrors, and whistles; finding and purifying water; finding and preparing food; protecting yourself and your supplies from wildlife. How to use a map and compass; how to travel on snow and ice with snowshoes, skis, and crampons; how to avoid and deal with avalanches.