27 Jun
2013
27 Jun
'13
3:04 p.m.
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@coly.org.uk 0117 9502556 or 07887 637064 (or 0844 2327803)