Cais das Velas height to ZH Portugal depth (1)
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Offshore of S. Jorge island the Zero Hidrografico (CD Portugal) surface is defined to be 1.0m below the Cais das Velas vertical reference surface.
Offshore of S. Jorge island the Zero Hidrografico (CD Portugal) surface is defined to be 1.0m below the Cais das Velas vertical reference surface.