VERTCRS["IGN 1966 (TAHITI)",
    VDATUM["IGN 1966 (TAHITI)"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["LOCALE A CARACTERE LEGAL"],
        AREA["TAHITI (ARCHIPEL DE LA SOCIETE)"],
        BBOX[-18,-150,-17,-149]],
    ID["IGNF","TAHITI66"]]