VERTCRS["TUREF",
    VDATUM["D_Turkish_National_Reference_Frame"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Türkiye (Turkey) - onshore and offshore."],
        BBOX[34.42,25.62,43.45,44.83]],
    ID["ESRI",115804]]