Topographically the deserts consist of alternating tablelands and massifs dissected by river valleys and canyons. The main population centres on the Atherton Tablelands are Mareeba and Atherton. The topography of the region is dominated by the Northern Tablelands plateau. Instead, flat-topped plateaus are specifically known as tablelands. Atherton Hospital is in the Tablelands Health District. Armidale is a city in the Northern Tablelands, New South Wales, Australia. Inverell is located on the Gwydir Highway on the western slopes of the Northern Tablelands. After a period of leave the division once again re-formed on the Atherton Tablelands. Two physical components comprise the Bathurst region; the Bathurst Basin and the Tablelands areas. Bathurst is a city in the Central Tablelands of New South Wales, Australia. Wools are produced on the Northern Tablelands as well as lambs and beef cattle. The city is located in the lower part of the Southwestern Tablelands ecological region. Today the Hume Highway bypasses Mittagong and all the towns of the Southern Tablelands. Wools are produced on the Northern Tablelands as well as prime lambs and beef cattle. The Western region services operate through the Central Tablelands, Orana, and Far West regions.