> off course the engineers vanished the ring has got kinda untidy, errosion
> has created bare scrith patches and that soil went somewhere...


That's a plausible explanantion, all right, but I can't escape the feeling
that this was simply a mistake. Whatever, it's a minor quibble and it's such
an interesting dilemma for the players that I'd probably use it if I run the
scenario anyway.

John