PROJCS["VN-2000 / TM-3 zone 491",GEOGCS["VN-2000",DATUM["Vietnam_2000",SPHEROID["WGS 84",6378137,298.257223563],TOWGS84[-191.90441429,-39.30318279,-111.45032835,-0.00928836,0.01975479,-0.00427372,0.252906278]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4756"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",108],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5898"]]