Richard J. wrote to uk.transport.london on Fri, 25 Mar 2005:
But IIRC the tidal rise and fall in Sydney is quite small. In London it
can be more than 7 metres.
Given that for centuries the river provided almost the *only* public
transport available in London, I rather suspect that this is a problem
which has been overcome in the past, and can be again.
--
"Mrs Redboots"
http://www.amsmyth.demon.co.uk/
Website updated 20 March 2005