The Simpson desert is located in central Australia. Underneath it lies the Great Artesian Basin, waters from which rise to the surface both at several natural springs (especially at Dalhousie[?]) and artificial bores (some drilled for stock routes, others during failed oil exploration.)
... (1884-1962), physicist and explorer
Jacques Piccard[?], (born 1922), undersea explorer
Francisco Pizarro, (1471-1541), conqueror of the Inca Empire
Marco Polo, ...