=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Massacre Bay        820/001 RLR(1963) is 10.4m below BM6
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Apparent datum shift at approximately 1965 because of this the station has been flagged.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 25-Jan-2012
This is an historic data site. Last data value received is that for Decmber 1966. Station has been switched to 'inactive'.