VERTCRS["Mayotte 1950 height",VDATUM["Mayotte 1950"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey."],AREA["Mayotte - onshore."],BBOX[-13.05,44.98,-12.61,45.35]],ID["EPSG",5793]]