VERTCRS["Lyttelton 1937 height",
    VDATUM["Lyttelton 1937"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["New Zealand - South Island - between approximately 41°20'S and 45°S - Lyttleton vertical CRS area."],
        BBOX[-44.92,168.95,-41.6,173.77]],
    ID["EPSG",5763]]