{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"Chatham_Islands_1979_Map_Grid","base_crs":{"type":"GeographicCRS","name":"Chatham Islands 1979","datum":{"type":"GeodeticReferenceFrame","name":"Chatham Islands Datum 1979","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"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":4673},"remarks":"Replaces CI1971. Replaced by NZGD2000 from March 2000."},"conversion":{"name":"Chatham_Islands_1979_Map_Grid","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":-44,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-176.5,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":1,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":350000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":650000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"E","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"N","direction":"north","unit":"metre"}]},"scope":"Not known.","area":"New Zealand - Chatham Islands group - onshore.","bbox":{"south_latitude":-44.64,"west_longitude":-177.25,"north_latitude":-43.3,"east_longitude":-175.54},"id":{"authority":"ESRI","code":102111}}