=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 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