VERTCRS["RDN2008",
    VDATUM["D_Rete_Dinamica_Nazionale_2008"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Italy - onshore and offshore; San Marino, Vatican City State."],
        BBOX[34.76,5.93,47.1,18.99]],
    ID["ESRI",115774]]