{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"NAD83 / MTM zone 10","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":"MTM zone 10","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":-79.5,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.9999,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":304800,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":0,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"E(X)","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"N(Y)","direction":"north","unit":"metre"}]},"scope":"Engineering survey, topographic mapping.","area":"Canada - Quebec west of 78°W; Canada - Ontario - between 79°30'W and 78°W in area to north of 47°N; between 80°15'W and 78°W in area between 46°N and 47°N; between 81°W and 78°W in area south of 46°N.","bbox":{"south_latitude":42.26,"west_longitude":-81,"north_latitude":62.45,"east_longitude":-78},"id":{"authority":"EPSG","code":32190}}