PROJCS["MAGNA-SIRGAS / Colombia West zone",GEOGCS["MAGNA-SIRGAS",DATUM["Marco_Geocentrico_Nacional_de_Referencia",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6686"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4686"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.596200416666666],PARAMETER["central_meridian",-77.07750791666666],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3115"]]