VERTCRS["IGN 1988 SB height",
    VDATUM["IGN 1988 SB"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Guadeloupe - onshore - St Barthelemy island."],
        BBOX[17.82,-62.92,17.98,-62.73]],
    ID["EPSG",5619]]