BOUNDCRS[SOURCECRS[PROJCRS["Corrego Alegre 1970-72 / UTM zone 21S",BASEGEOGCRS["Corrego Alegre 1970-72",DATUM["Corrego Alegre 1970-72",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4225]],CONVERSION["UTM zone 21S",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-57,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",10000000,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["Brazil - west of 54°W and south of 18°S."],BBOX[-31.91,-58.16,-17.99,-54]],ID["EPSG",22521]]],TARGETCRS[GEOGCRS["SIRGAS 2000",DATUM["Sistema de Referencia Geocentrico para las AmericaS 2000",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["Latin America - Central America and South America - onshore and offshore. Brazil - onshore and offshore."],BBOX[-59.87,-122.19,32.72,-25.28]],ID["EPSG",4674]]],ABRIDGEDTRANSFORMATION["Corrego Alegre 1970-72 to SIRGAS 2000 (1)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","CA7072_003.gsb"],USAGE[SCOPE["Transformation of coordinates at 2m level of accuracy."],AREA["Brazil - onshore - west of 54°W and south of 18°S; also south of 15°S between 54°W and 42°W; also east of 42°W."],BBOX[-33.78,-58.16,-2.68,-34.74]],ID["EPSG",5526],REMARK["May be used as transformation between Corrego Alegre 1970-72 and WGS 84 - see tfm code 5541."]]]