In message . com
"MIG" wrote:

On Feb 21, 11:38 pm, Graeme Wall wrote:
[snip]

More to the point, the Victoria line was deep enough that subsidence was
not though to be a problem. Also the legal situation had been clarified.
ie you don't own the land under your property, unlike the USA. This
enables the Government to sell off the mineral rights.


The Victoria is not generally deeper than other lines, more the opposite,
although it does go up and down a lot.
[snip]

My point was not that it is deeper than the others but is deep enough not to
cause subsidence. Experience gained from the fact the other tube lines had
no subsidence problems.

--
Graeme Wall
This address is not read, substitute trains for rail.
Transport Miscellany at http://www.greywall.demon.co.uk/rail/index.html