plain is noted for its good soils formed by basaltic alluvium. On the northern boundaries of the Downs are the Bunya Mountains and the Bunya Mountains National Park. The region to the north is the South Burnett and the Maranoa lies to the west. A section of the western downs lies over coal deposits of the Surat Basin. Towards the coast, the mountains of the Scenic Rim form the headwaters of the westward flowing Condamine. Climate The majority of the Darling Downs has a humid subtropical climate although some areas experience a semi-arid or subtropical highland climate. Summer maximum temperatures range from , while winter maximums range from . The annual rainfall ranges from in the far west of the region, to in the east. In the south-east of the Darling Downs winter temperatures can drop below with heavy frost and occasional snow, while in the north-west summer temperatures can surpass . Severe thunderstorms and damaging floods are a threat at times, as are bushfires in dry years. Southern Downs Part of the Darling Downs, which includes the towns of Allora, Clifton, Warwick, Killarney and the rocky district in the south known as the Granite Belt, is known as the Southern Downs. The phrase is also used to define political boundaries and in the promotion of tourism in the area. The Dumaresq and the MacIntyre are found in this part of the region. (This is different to the IBRA subregion also known as The Southern Downs Interim Biogeographic Regionalisation for Australia, which is further west, around the towns of Roma, Mitchell and Injune). History Baranggum (also known as Barrunggam, Barunggam Parrungoom, Murrumgama) is an Australian Aboriginal language spoken by the Baranggum people. The Baranggum language region includes the landscape within the local government boundaries of the Western Downs Regional Council, particularly Dalby, Tara, Jandowae and west towards Chinchilla. Originally, the Darling Downs was covered with a wealth of indigenous grasses which created an ideal verdure for stock eight months of the year. The Darling Downs Aborigines had an annual burning season at the time when the indigenous grasses were ripe and dry. The annual fires gave the local Aborigines of the Darling Downs the name "Goonneeburra" or "Fire Blacks" – "goonnee" being a name for fire and "burra" a generic word for the whole race. This is what the Downs tribes were known as to the coastal Aborigines who inhabited