PROJCS["Corrego Alegre 1970-72 / UTM zone 23S", GEOGCS["Corrego Alegre 1970-72", DATUM["Corrego_Alegre_1970-72", SPHEROID["International 1924",6378388,297], EXTENSION["PROJ4_GRIDS","CA7072_003.gsb"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4225"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-45], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",500000], PARAMETER["false_northing",10000000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","22523"]]