VERTCRS["TWVD 2001 height",VDATUM["Taiwan Vertical Datum 2001"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Taiwan, Republic of China - onshore - Taiwan Island."],BBOX[21.87,119.99,25.34,122.06]],ID["EPSG",8904]]