VERTCRS["HKPD height",VDATUM["Hong Kong Principal Datum"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["China - Hong Kong - onshore."],BBOX[22.19,113.82,22.56,114.39]],ID["EPSG",5738]]