VERTCRS["Ha Tien 1960 height",VDATUM["Ha Tien 1960"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey."],AREA["Cambodia - mainland onshore; Vietnam - mainland onshore."],BBOX[8.33,102.14,23.4,109.53]],ID["EPSG",5726]]