PROJCRS["Astro DOS 71 / SHLG71",BASEGEOGCRS["Astro DOS 71",DATUM["Astro DOS 71",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4710]],CONVERSION["St. Helena Local Grid 1971",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",-15.9666666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-5.71666666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",300000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",2000000,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["Topographic mapping."],AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."],BBOX[-16.08,-5.85,-15.85,-5.59]],ID["EPSG",7877]]