sentences:  It is one of the largest local government areas in South Australia at .The district's economy is based primarily on agriculture, with cereal crops such as wheat, barley and oats and with livestock such as sheep, cattle and pigs prominent.The Tatiara country was opened up by European settlers in the 1840s for grazing purposes, with the township of Bordertown established in 1852, slowly expanding as more graziers moved to the area.