VERTCRS["RGR_1992",
    VDATUM["D_RGR_1992"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Reunion - onshore and offshore - Reunion island, Ile Europa, Bassas da India, Juan de Nova, Iles Glorieuses, and Ile Tromelin."],
        BBOX[-25.92,37.58,-10.6,58.27]],
    ID["ESRI",115784]]