VERTCRS["Stewart Island 1977 height",
    VDATUM["Stewart Island 1977"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["New Zealand - Stewart Island."],
        BBOX[-47.33,167.29,-46.63,168.34]],
    ID["EPSG",5772]]