=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
South Beach         823/016 RLR(1974) is 10.7m below BMA590
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Dec-2011
Using NOAA data the RLR diagram has been revised. Former Primary benchmark A 590 1965 6.419m above gauge datum appears in the NOAA report dated 1988 but not in the report of 2003. Current Primary benchmark is C 590 1965 6.194m above gauge datum.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Feb-2017
The whole dataset for South Beach has been revised by NOAA. The complete dataset which includes additional data has been loaded onto the database.

