Dear Bernard,
thank you for your help. I will then check out the British Geological
Survey and see what I can get.
Again, thank you for your help!
Best regards,
Pedro
Quoting Bernard Moore <[log in to unmask]>:
> Dear Pedro,
>
> May I suggest the British Geological Survey as a source of info. for the
>
> info. you seek. They would be a good start, and I am sure would suggest
> other
> contacts for you to speak to.
>
> Regards, Bernard
>
>
>
>
>
>
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