{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"NAD83 / BLM 15N (ftUS)","base_crs":{"type":"GeographicCRS","name":"NAD83","datum":{"type":"GeodeticReferenceFrame","name":"North American Datum 1983","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"}]},"id":{"authority":"EPSG","code":4269},"remarks":"Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."},"conversion":{"name":"BLM zone 15N (US survey foot)","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":0,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-93,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.9996,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":1640416.67,"unit":{"type":"LinearUnit","name":"US survey foot","conversion_factor":0.304800609601219},"id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":0,"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":"No official usage.","area":"United States (USA) - between 96°W and 90°W - Arkansas; Illinois; Iowa; Kansas; Louisiana; Michigan; Minnesota; Mississippi; Missouri; Nebraska; Oklahoma; Tennessee; Texas; Wisconsin; Gulf of Mexico outer continental shelf (GoM OCS) between approximately 96°W and 90°W - leasing areas Brazos, Galveston, High Island; Sabine Pass; West Cameron, East Cameron, Vermilion, South Marsh Island, Eugene Island, Ship Shoal, South Pelto, Bay Marchand, South Timbalier, Grand Isle; protraction areas East Breaks, Alaminos Canyon, Garden Banks, Keathley Canyon, Sigsbee Escarpment, Ewing Bank, Green Canyon, Walker Ridge, Amery Terrace.","bbox":{"south_latitude":25.61,"west_longitude":-96.01,"north_latitude":49.38,"east_longitude":-89.86},"id":{"authority":"EPSG","code":32165}}