{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"RGF_1993","datum":{"type":"VerticalReferenceFrame","name":"D_RGF_1993"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Ellipsoidal height","abbreviation":"h","direction":"up","unit":"metre"}]},"scope":"Not known.","area":"France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).","bbox":{"south_latitude":41.15,"west_longitude":-9.86,"north_latitude":51.56,"east_longitude":10.38},"id":{"authority":"ESRI","code":115778}}