Which country is the home of Mount Keith Mine, and the world's largest mining company which operates it?
Mount Keith Mine: Mount Keith Mine is an open pit nickel mine in Western Australia. BHP: BHP, the trading entity of BHP Billiton Limited and BHP Billiton plc and formerly known as BHP Billiton, is an Anglo-Australian multinational mining, metals and petroleum dual-listed public company headquartered in Melbourne, Victoria, Australia. BHP:  Founded in 1885 in the isolated mining town of Broken Hill, it was the world's largest mining company measured by 2015 market values and Australia's fourth-largest company (by revenue), formerly the largest.
Australia