It was proclaimed on 31 December 1874.[2] it covers an area of 227 square kilometres (87.5 sq mi). Its name is thought to be derived from the place known as "Koolywurtie or Black Point."[6] The first local government body within the hundred was the District Council of Minlaton.
^ abBlyth, Arthur (31 December 1874), "PROCLAMATION BY THE GOVERNOR"(PDF), The South Australian Government Gazette, Government of South Australia: 2518, retrieved 22 May 2020
^"HUNDRED MAP Series Index Map"(PDF). Department of Environment and Heritage, Government of South Australia. December 2008. Archived from the original(PDF) on 27 September 2015. Retrieved 22 May 2020.