BOUNDCRS[SOURCECRS[PROJCRS["Ain el Abd / Bahrain Grid",BASEGEOGCRS["Ain el Abd",DATUM["Ain el Abd 1970",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4204]],CONVERSION["Bahrain State Grid",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",51,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9996,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Bahrain - onshore."],BBOX[25.53,50.39,26.34,50.85]],ID["EPSG",20499]]],TARGETCRS[GEOGCRS["KSA-GRF17",DATUM["Kingdom of Saudi Arabia Geodetic Reference Frame 2017",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."],AREA["Saudi Arabia - onshore and offshore."],BBOX[16.29,34.44,32.16,55.67]],ID["EPSG",9333]]],ABRIDGEDTRANSFORMATION["Ain el Abd to KSA-GRF17 (2)",METHOD["Geocentric translation by Grid Interpolation (IGN)",ID["EPSG",1087]],PARAMETERFILE["Geocentric translation file","ARAMCO_AAA-KSAGRF_6.tac"],USAGE[SCOPE["Geodesy."],AREA["Saudi Arabia - onshore."],BBOX[16.37,34.51,32.16,55.67]],ID["EPSG",9363],REMARK["Accuracy 5-10 cm."]]]