=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Apr-2000 Virginia Key 960/008 RLR(1999) is 7.605m below BM 3214 1994 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Feb-2012 From the NOAA website Primary benchmark is now 3214 B 1994 5.000m above TGZ.