World Hydrography Day

With the third annual UN decreed World Hydrography Day due on 21 June, the intergovernmental International Hydrographic Organization in Monaco has announced this year’ s theme as ‘ Hydrography – Protecting the Marine Environment’ .

With the third annual UN decreed World Hydrography Day due on 21 June, the intergovernmental International Hydrographic Organization in Monaco has announced this year’ s theme as ‘ Hydrography - Protecting the Marine Environment’ .