=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Leith 170/031 RLR(1965) is 11.7m below BM NT27l6 7670 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Jul-1994 Gauge employed at Leith were as follows. Data exist from an unknown gauge type in 1949. In January 1954 a Lege stilling well gauge was installed. Harbour works and siltation are reported from 1966 onwards. The Lege was moved to a new site in October 1966 and remained until March 1969. It was moved to another new site in December 1969. A Munro gauge was installed in August 1979 and an Ott in 1980. Since December 1988 data have been taken from a POL-designed potentiometer system attached to the stilling well. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 16-Sep-1994 Ott gauge installed in 1980 was in use until May 1981 1966 and 1969 data unreliable - omitted. Leith is an historic station last data 1971. Gauge was replaced by Leith II id. 1526 as benchmark connection was not possible. =========================== 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/ for 1961-62 values based on 8 readings per day. For 1982 onwards values based on 24 readings per day.