Nuclear War Survival Skills

adequate air pump Americans anhydrite Appendix areas basement bedsheet blast doors blast effects blast shelters blast winds boards brace bucket build buried roof carbon monoxide charging-wire civil defense cloth crib crisis dangers DIAM diameter doorway dose rate dose-rate earth-covered edges entry entryways evacuate expedient shelters explosion exposure fallout meter fallout particles fallout protection fallout radiation fallout shelters feet flaps frame gamma rays grain ground hammock heat heavy fallout hole horizontal illustrated inches inside instructions insulating keep least materials megaton mounded Mutually Assured Destruction nails NOTCH nuclear attack nuclear war nuclear weapons opening ORNL-DWG outdoor air overpressure range person piece pivot-wires potassium iodide protection pull-cord R/HR radiation dose radioactive roof poles sheet shelter occupants shelter room side sticks stored surface burst survival tape thick THREAD Trench Shelter ventilation vertical vitamin wall poles weapons weather wire