PROJCS["Sierra_Leone_1924_New_Colony_Grid",GEOGCS["GCS_Sierra_Leone_1924",DATUM["D_Sierra_Leone_1924",SPHEROID["War_Office",6378300.0,296.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-12.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",6.66666666666667],UNIT["Gold Coast foot",0.304799710181509]]