=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Bella Coola BC      822/013 RLR(1966) is 12.1m below BM Geod.1223J
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Aug-2010
BM A 1951 was used 1964-1965. BM Geod.1223J was used 1966 onwards.