International Hydrographic Organization

Hydrography provides the basis for all activities which involve the sea. The International Hydrographic Organization works to ensure that all the world's seas, oceans and navigable waters are surveyed and charted, thereby supporting safety of navigation and the protection of the marine environment. It coordinates the activities of national hydrographic offices and sets standards in order to promote uniformity in nautical charts and documents. It issues survey best practices and provides guidelines to maximize the use of hydrographic information. 


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