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]]