{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"GCS_Point_58","datum":{"type":"GeodeticReferenceFrame","name":"D_Point_58","ellipsoid":{"name":"Clarke 1880 (RGS)","semi_major_axis":6378249.145,"inverse_flattening":293.465}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"scope":"Not known.","area":"Senegal - central, Mali - southwest, Burkina Faso - central, Niger - southwest, Nigeria - north, Chad - central. All in proximity to the parallel of latitude of 12°N.","bbox":{"south_latitude":10.26,"west_longitude":-17.19,"north_latitude":15.7,"east_longitude":30.42},"id":{"authority":"ESRI","code":37211}}