GEOGCS["GCS_Corrego_Alegre_1961",DATUM["D_Corrego_Alegre_1961",SPHEROID["International_1924",6378388.0,297.0],EXTENSION["PROJ4_GRIDS","CA61_003.gsb"]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]