=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Sep-1994
Blacktoft: Palatine gauge/stilling well
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-Jan-2001
Recent work on vertical land movements in the UK can be found from
the University of Nottingham web site:
http://ukcogr.iessg.nottingham.ac.uk/~eosi/