=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Jul-1994 An "Admiralty" stilling well gauge operated from 1852 to about 1930, and a Gents gauge from June 1961 to 1964. In addition (although data not with PSMSL), there was another Gents gauge between 1966 and 1972 and a portable Munro between December 1972 and 1978. Portland is an historic station last data 1964 =========================== 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/