=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2000Apr25 :
Les Sables d'Olonne 190/116 RLR(1996) is 13.3m below BM NGF OHI-LA
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2000Aug31 :
Sables d'Olonne acoustic gauge installed 11/05/1999.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Mar-2012 :
Primary benchmark for Les Sables d'Olonne is now IGN O.HI - 65 7.756m above Zero Hydrographique.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 01-Oct-2014 :
Using data from SONEL the latitude and longitude for Les Sables D'Olonne has been revised.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jun-2016 :
When the data were downloaded from SONEL it was found that there were a number of revisions to the dataset. Because of this the complete dataset was re-loaded.

