[Therion] Therion Digest, Vol 90, Issue 9

[Graham Mullan]

Footleg said:

> what difference in water
> levels could be expected between the upstream and downstream ends of
> the sump?

and Wookey responded:

> This is a question for hydrologists, not cave surveyors :-)

Wookey is wrong. Without the data from survey and from geodesics the
hydrologist would have no way of knowing the facts of this.

In science, observation comes first :-)

Graham
--
graham.mullan at coly.org.uk

0117 9502556 or 07887 637064 (or 0844 2327803)