=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Cape Parry 970/201 RLR(1970) is 28.5m below BM-3,1965 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Cape Parry 970/201 RLR(1970) is 28.5m below BM-3,1965 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-Nov-1993 Since 1980 monthly means received from Canadian authority are in cm. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 04-Apr-2012 Last data received for Cape Parry was that for 1982.