{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"NAD27 / Alaska zone 1","base_crs":{"type":"GeographicCRS","name":"NAD27","datum":{"type":"GeodeticReferenceFrame","name":"North American Datum 1927","ellipsoid":{"name":"Clarke 1866","semi_major_axis":6378206.4,"semi_minor_axis":6356583.8}},"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":4267},"remarks":"Note: this CRS includes longitudes which are POSITIVE EAST. Replaced by NAD27(76) (code 4608) in Ontario, CGQ77 (code 4609) in Quebec, Mexican Datum of 1993 (code 4483) in Mexico, NAD83 (code 4269) in Canada (excl. Ontario & Quebec) & USA."},"conversion":{"name":"Alaska CS27 zone 1","method":{"name":"Hotine Oblique Mercator (variant A)","id":{"authority":"EPSG","code":9812}},"parameters":[{"name":"Latitude of projection centre","value":57,"unit":"degree","id":{"authority":"EPSG","code":8811}},{"name":"Longitude of projection centre","value":-133.666666666667,"unit":"degree","id":{"authority":"EPSG","code":8812}},{"name":"Azimuth at projection centre","value":323.130102361111,"unit":"degree","id":{"authority":"EPSG","code":8813}},{"name":"Angle from Rectified to Skew Grid","value":323.130102361111,"unit":"degree","id":{"authority":"EPSG","code":8814}},{"name":"Scale factor at projection centre","value":0.9999,"unit":"unity","id":{"authority":"EPSG","code":8815}},{"name":"False easting","value":16404166.67,"unit":{"type":"LinearUnit","name":"US survey foot","conversion_factor":0.304800609601219},"id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":-16404166.67,"unit":{"type":"LinearUnit","name":"US survey foot","conversion_factor":0.304800609601219},"id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"X","direction":"east","unit":{"type":"LinearUnit","name":"US survey foot","conversion_factor":0.304800609601219}},{"name":"Northing","abbreviation":"Y","direction":"north","unit":{"type":"LinearUnit","name":"US survey foot","conversion_factor":0.304800609601219}}]},"scope":"Engineering survey, topographic mapping.","area":"United States (USA) - Alaska - east of 141°W; i.e. Panhandle.","bbox":{"south_latitude":54.61,"west_longitude":-141,"north_latitude":60.35,"east_longitude":-129.99},"id":{"authority":"EPSG","code":26731}}