"James Lerch" wrote in message
...
On Wed, 2 Jun 2004 20:25:32 -0400, "Paul F Austin"
wrote:


The cratering radius of a 300KT (B-61) nuclear explosion in rock is about
900 feet. If the bunker is more than 10X that distance (45 days
drilling), a
maximum yeild explosion is unlikely to collapse the bunker.

Still, even if the bunker survived, how exactly would the occupants
exit, if the entrance hole (or holes) no longer exist?

That's a decent point although connecting to other exits e.g. railway
tunnels or basements of existing buildings. isn't impossible.