VERTCRS["RGSH2020",
    VDATUM["Sonatrach_Reference_Frame_2020"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Algeria - onshore and offshore."],
        BBOX[18.97,-8.67,38.8,11.99]],
    ID["ESRI",115924]]