VERTCRS["Tahaa SAU 2001 height",
    VDATUM["Tahaa SAU 2001"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["French Polynesia - Society Islands - Tahaa."],
        BBOX[-16.72,-151.63,-16.5,-151.36]],
    ID["EPSG",5606]]