BOUNDCRS[SOURCECRS[PROJCRS["Pulkovo 1942 / Caspian Sea Mercator",BASEGEOGCRS["Pulkovo 1942",DATUM["Pulkovo 1942",ELLIPSOID["Krassowsky 1940",6378245,298.3,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4284]],CONVERSION["Caspian Sea Mercator",METHOD["Mercator (variant B)",ID["EPSG",9805]],PARAMETER["Latitude of 1st standard parallel",42,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Longitude of natural origin",51,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["False easting",0,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing (none)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (none)",east,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Hydrography and nautical charting."],AREA["Azerbaijan - offshore; Kazakhstan - offshore; Russian Federation - Caspian Sea; Turkmenistan - offshore."],BBOX[37.35,46.95,46.97,53.93]],ID["EPSG",3388]]],TARGETCRS[GEOGCRS["QazTRF-23",DATUM["Kazakhstan Terrestrial Reference Frame 2023",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["Horizontal component of 3D system."],AREA["Kazakhstan - onshore and offshore, including Caspian Sea."],BBOX[40.59,46.49,55.45,87.35]],ID["EPSG",10941]]],ABRIDGEDTRANSFORMATION["Pulkovo 1942 to QazTRF-23 (1)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","qazgrid_kz.gsb"],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Kazakhstan - onshore and offshore, including Caspian Sea."],BBOX[40.59,46.49,55.45,87.35]],ID["EPSG",10964],REMARK["File also produced in Geodetic GeoTIFF (GTG) format."]]]