Do you know the four levels of shelter? The topic of emergency survival shelter is an essential discussion in outdoor survival. It also is one of the core essentials for any survival planning, along with food, water, and fire. The Fall season is here. Camping, backpacking, hiking, and hunting are the activities winding down before the first winter snows begin to blanket the North American continent. However, before the snows come, there are the fall rains to contend with outdoors. Thus, shelter is an essential area to address