3115=PROJCS["MAGNA-SIRGAS / Colombia West zone",GEOGCS["MAGNA-SIRGAS",DATUM["Marco_Geocentrico_Nacional_de_Referencia",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4686"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.59620041666667],PARAMETER["central_meridian",-77.0775079166667],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3115"]]