World Hydrography Day (June 21)

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Paleoclimatologists studying a reef

ERN Item Type: 

  • Commemorative Days and Events


International Hydrographic Organization


World Hydrography Day aims to give suitable publicity to its work at all levels and of increasing coverage of hydrographic information on a global basis, and urges all States to work to promote safe navigation, especially in the areas of international navigation, ports, and where there are vulnerable protected marine areas.

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