=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Fort Pulaski        960/031 RLR(1964) is 9.8m below BM5(1939)
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Jul-2011 :
Data downloaded directly from the NOAA website. Datum information also downloaded NOAA Primary benchmark is BM 5 4.877m above TGZ.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Aug-2011 :
Using data from NOAA the RLR diagram has been re-drawn. Primary benchmark remains BM 5 4.877m above gauge datum

