VERTCRS["EPSG example wellbore local vertical CRS (ft)",VDATUM["EPSG example wellbore vertical datum"],CS[vertical,1],AXIS["local depth (d)",down,LENGTHUNIT["foot",0.3048]],USAGE[SCOPE["Wellbore survey."],AREA["Description of the extent of the CRS."],BBOX[-90,-180,90,180]],ID["EPSG",8897]]