Hi Group
fireclay:- generally any clay deposit (often an in-seam band) from which
bricks can be made.
undeground roadways:- in Australia up to five miles.
fathom:- six feet
Regards
John
----- Original Message -----
From: Mary Reynolds <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 28, 2002 3:38 AM
Subject: (no subject)
> could somebody tell me what fireclay is ? and how far from the pithead do
> underground roads reach---average?how many feet is a fathom? thanks.
>
|