BOUNDCRS[SOURCECRS[PROJCRS["Tananarive / Laborde Grid",BASEGEOGCRS["Tananarive",DATUM["Tananarive 1925",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4297]],CONVERSION["Laborde Grid (Greenwich)",METHOD["Laborde Oblique Mercator",ID["EPSG",9813]],PARAMETER["Latitude of projection centre",-18.9,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8811]],PARAMETER["Longitude of projection centre",46.4372291666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8812]],PARAMETER["Azimuth of initial line",18.9,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8813]],PARAMETER["Scale factor on initial line",0.9995,SCALEUNIT["unity",1],ID["EPSG",8815]],PARAMETER["False easting",400000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",800000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing (X)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (Y)",east,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Madagascar - onshore."],BBOX[-25.64,43.18,-11.89,50.56]],ID["EPSG",8441]]],TARGETCRS[GEOGCRS["WGS 84",ENSEMBLE["World Geodetic System 1984 ensemble",MEMBER["World Geodetic System 1984 (Transit)"],MEMBER["World Geodetic System 1984 (G730)"],MEMBER["World Geodetic System 1984 (G873)"],MEMBER["World Geodetic System 1984 (G1150)"],MEMBER["World Geodetic System 1984 (G1674)"],MEMBER["World Geodetic System 1984 (G1762)"],MEMBER["World Geodetic System 1984 (G2139)"],ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[2.0]],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["World."],BBOX[-90,-180,90,180]],ID["EPSG",4326]]],ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84",METHOD["Position Vector transformation (geog2D domain)",ID["EPSG",9606]],PARAMETER["X-axis translation",-189,ID["EPSG",8605]],PARAMETER["Y-axis translation",-242,ID["EPSG",8606]],PARAMETER["Z-axis translation",-91,ID["EPSG",8607]],PARAMETER["X-axis rotation",0,ID["EPSG",8608]],PARAMETER["Y-axis rotation",0,ID["EPSG",8609]],PARAMETER["Z-axis rotation",0,ID["EPSG",8610]],PARAMETER["Scale difference",1,ID["EPSG",8611]]]]