Guided tours of the Tide gauge
Visit of the site and the building sheltering since 1885the tide gauge and the zero level of the French altitudes, commented by technicians of the IGN and «the friends of the tide gauge»
16 et 17 septembre 2023Passat
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Visit of the site and the building sheltering since 1885the tide gauge and the level zero of the French altitudes, commented by technicians of the IGN and «friends of the Tide gauge»