{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"Mauritania 1999","datum":{"type":"GeodeticReferenceFrame","name":"Mauritania 1999","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"scope":"Horizontal component of 3D system.","area":"Mauritania - onshore and offshore.","bbox":{"south_latitude":14.72,"west_longitude":-20.04,"north_latitude":27.3,"east_longitude":-4.8},"id":{"authority":"EPSG","code":4702},"remarks":"Replaces all earlier CRSs."}