{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"Merchich / Sahara Nord","base_crs":{"type":"GeographicCRS","name":"Merchich","datum":{"type":"GeodeticReferenceFrame","name":"Merchich","ellipsoid":{"name":"Clarke 1880 (IGN)","semi_major_axis":6378249.2,"semi_minor_axis":6356515}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"id":{"authority":"EPSG","code":4261}},"conversion":{"name":"Sahara Nord","method":{"name":"Lambert Conic Conformal (1SP)","id":{"authority":"EPSG","code":9801}},"parameters":[{"name":"Latitude of natural origin","value":29,"unit":{"type":"AngularUnit","name":"grad","conversion_factor":0.0157079632679489},"id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-6,"unit":{"type":"AngularUnit","name":"grad","conversion_factor":0.0157079632679489},"id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.999616304,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":1200000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":400000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"X","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"Y","direction":"north","unit":"metre"}]},"scope":"Engineering survey, topographic mapping.","area":"Western Sahara - onshore north of 27grads North (24°18'N).","bbox":{"south_latitude":24.29,"west_longitude":-15.42,"north_latitude":27.67,"east_longitude":-8.66},"id":{"authority":"EPSG","code":26194}}