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Old 01-08-2010, 12:45 AM   #2
pyrangello
Avalon Senior Member
 
Join Date: Sep 2008
Location: Northern Michigan
Posts: 412
Default Re: Underground bunkers in case of nuclear war

I can't remember where I heard this , but I think this is correct for this type of shelter, 1" thick steel plate, or 12" of concrete, or 8' of dirt. Don't quote me but pretty sure. Comments from team avalon!
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