=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 22-Sep-1993 BENCH MARK INFORMATION 22 SEPTEMBER 1993 FISHGUARD II RLR(1990) is 12.2m below BM SM 9534 3918 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Jul-1994 An "A Class" bubbler gauge installed in June 1988. =========================== 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/ =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 09-May-2013 Site was levelled on 09.03.2013. On inspection both full tide sensors were found to be in mud both recording ~40mm high. As both full tide channels were buried in silt. MSL values re-computed back to September 2010. As a result 2011/12 data have been deleted. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 03-Jul-2014 On 18.07.2013 TGI were on site to carry out general maintenance and clear the silted pressure points. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-May-2015 Some readings during April 2014 were ~40mm high. TGI were at site 06.11.14 for general maintenance and to change the compressor. No levelling was carried out during 2014.