World Hydrographic Day 9/30/2017 3:06:00 PM On the occasion of the World Hydrographic Day which is celebrated every year on June 21 the International Hydrographic Organization has issued the apposite notice entitled - "Mapping our seas, oceans and waterways - more important than ever" Dokumenti BriefingNotesforWHD2017 79.74 KB podijeli: Facebook Twitter
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