Fallout shelters are not always underground. Above ground buildings with walls and roofs dense enough to afford a meaningful protection factor can be used as a fallout shelter.Monteyne, David. Fallout Shelter: Designing for Civil Defense in the Cold War. Minneapolis: University of Minnesota, 2011. Print.
Fallout shelters are not always underground. Above ground buildings with walls and roofs dense enough to afford a meaningful protection factor can be used as a fallout shelter.Monteyne, David. Fallout Shelter: Designing for Civil Defense in the Cold War. Minneapolis: University of Minnesota, 2011. Print.