VERTCRS["DRUKREF_03", VDATUM["D_Bhutan_National_Geodetic_Datum"], CS[vertical,1], AXIS["ellipsoidal height (h)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Not known."], AREA["Bhutan."], BBOX[26.7,88.74,28.33,92.13]], ID["ESRI",115711]]