VERT_CS["NIVELLEMENT GENERAL DE LIFOU (IGN 1991 LF)",VERT_DATUM["NIVELLEMENT GENERAL DE LIFOU (IGN 1991 LF)",2005,AUTHORITY["IGNF","REA036"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["IGNF","LIFOU91"]]