On 22/6/07 01:42, in article 0WEei.6160$xk5.3384@edtnps82, "Pinetree"
wrote:

I'm thinking of rejuvenating an old rock garden. (Think of a
mini-Stonehenge: the boulders are now too heavy and too deeply sunk to move.
Which makes me wonder if anyone knows how much of those real Stonehenge
boulders (on average) are below ground now four(?) thousand years later )
snip

We used to have an urgler whose husband was an archaeologist who did some
eminent work on Stonehenge - shame she's not here now! One piece I read
said that the bases of the stones were sunk to five feet.
http://www.astronomy.pomona.edu/arch...enge/descr.htm

--
Sacha
http://www.hillhousenursery.co.uk
(remove weeds from address)