=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Oct-1993 Beihai 610/001 RLR(1990) is 12.0m below BM =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 18-Jan-2012 Using data from the latest UHSLC JASL cd data values for 1995-1997 have been added to the 'METRIC' dataset. Beihai is an historic site last data added to 'Metric' dataset was for 1997 from UHSLC