=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Pensacola 940/041 RLR(1964) is 9.5m below BM7 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jul-1993 Many stations on the Gulf coast have large values for September 1961. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Jul-2011 Data is downloaded directly from thre NOAA website. Datum information has also been downloaded. The Primary Benchmark is now 9840 M 1978 4.368m above the gauge datum.