VERTCRS["LKS_1992",
    VDATUM["D_Latvia_1992"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Latvia - onshore and offshore."],
        BBOX[55.67,19.06,58.09,28.24]],
    ID["ESRI",115745]]