EPSG:30491Projected
Voirol 1875 / Nord Algerie (ancienne)
Type
Projected
Unit
metre
Accuracy
999 m
Area of use
Algeria - onshore north of 38.5 grads North (34°39'N).
proj4 definition
+proj=lcc +lat_1=36 +lat_0=36 +lon_0=2.7 +k_0=0.999625544 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=-73,-247,227,0,0,0,0 +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["Voirol 1875 / Nord Algerie (ancienne)",GEOGCS["Voirol 1875",DATUM["Voirol_1875",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],TOWGS84[-73,-247,227,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4304"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",36],PARAMETER["central_meridian",2.7],PARAMETER["scale_factor",0.999625544],PARAMETER["false_easting",500000],PARAMETER["false_northing",300000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","30491"]]