VERT_CS["IGN 1988 SM (GUADELOUPE / SAINT-MARTIN)",VERT_DATUM["IGN 1988 SM (GUADELOUPE / SAINT-MARTIN)",2005,AUTHORITY["IGNF","REA009"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["IGNF","GUAD88SM"]]