See http://www.parliament.sa.gov.au/pp/html/pastprem.shtm until someone copies the dates from there
... Census Bureau, the city has a total area of 113.1 km² (43.7 mi²). 110.9 km² (42.8 mi²) of it is land and 2.2 km² (0.8 mi²) of it is water. ...