"Stan The Man" wrote in message
...
In article , Rod
wrote:


Try to get a look at a surface geology map of your area. You should
get an idea of the depth of your clay. If like us you've got several
metres of boulder clay, then you've probably got the makings of a bog
garden or pond.

Rod

I've been looking all over the net for such a map. Do you know where I
might find one?

http://www.geopubs.co.uk/section2/bgs.html#geological

--
Nick Wagg