VERTCRS["Menorca height",
    VDATUM["Menorca"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Spain - Balearic Islands - Menorca onshore."],
        BBOX[39.75,3.73,40.15,4.39]],
    ID["EPSG",9393]]