{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"NAD83(2011) / San Francisco CS13","base_crs":{"type":"GeographicCRS","name":"NAD83(2011)","datum":{"type":"GeodeticReferenceFrame","name":"NAD83 (National Spatial Reference System 2011)","anchor_epoch":2010,"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":6318},"remarks":"Note: this CRS includes longitudes which are POSITIVE EAST. Replaces NAD83(CORS96) and NAD83(NSRS2007) (CRS codes 6783 and 4759)."},"conversion":{"name":"City and County of San Francisco CS13 (meters)","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":37.75,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":-122.45,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":1.000007,"unit":{"type":"ScaleUnit","name":"parts per million","conversion_factor":1e-06},"id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":48000,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":24000,"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":"Spatial referencing in and around city and county of San Francisco.","area":"United States (USA) - California - San Francisco bay area - counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano and Sonoma.","bbox":{"south_latitude":36.85,"west_longitude":-123.56,"north_latitude":38.87,"east_longitude":-121.2},"id":{"authority":"EPSG","code":6996}}