VERTCRS["Chatham Island 1959 height",VDATUM["Waitangi (Chatham Island) 1959"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["New Zealand - Chatham Island - onshore."],BBOX[-44.18,-176.92,-43.67,-176.2]],ID["EPSG",5771]]