VERTCRS["Black Sea depth",VDATUM["Black Sea"],CS[vertical,1],AXIS["depth (D)",down,LENGTHUNIT["metre",1]],USAGE[SCOPE["Hydrography and nautical charting."],AREA["Georgia - onshore and offshore."],BBOX[41.04,38.97,43.59,46.72]],ID["EPSG",5336]]