VERTCRS["IGN 1988 MG height",VDATUM["IGN 1988 MG"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Guadeloupe - onshore - Marie-Galante."],BBOX[15.8,-61.39,16.05,-61.13]],ID["EPSG",5617]]