Show r 4 I p 4 I k HOME SHELTER of reinforced concrete top op at the Operation atomic tests testis In Nevada withstood a blast pressure of tome some CS pounds per quare Inch bottom with damage only to vent pipes the average house can withstand a pressure of about one pound per square Inch The shelter which could accommodate date date- about six persons was covered with 54 feet of earth for near near- complete protection against Initial radiation In blast areas When specially dressed radiological monitors Inset entered the area after the A blast they found the steel plate door undamaged and opened with normal pressure INTO Lookout Mountain Lab Lb mm |