=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-JUL-93 :
Many stations on the Gulf coast have large values for September 1961.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Pensacola           940/041 RLR(1964) is 9.5m below BM7
=========================== 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.

