VERTCRS["Malin Head height",VDATUM["Malin Head"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Topographic mapping."],AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],BBOX[51.39,-10.56,55.43,-5.34]],ID["EPSG",5731]]