World Hydrography Day
‘Our Seas and Waterways – Yet to be Chartered and Explored’ is the theme selected by the International Hydrographic Organization as the focal point for this year’s UN-sponsored World Hydrography Day on 21 June.
‘Our Seas and Waterways - Yet to be Chartered and Explored’ is the theme selected by the International Hydrographic Organization as the focal point for this year’s UN-sponsored World Hydrography Day on 21 June.