Callide is an open cut mining operation providing low sulphur, sub-bituminous thermal coal primarily for Queensland’s domestic power generation. Callide consists of four major pits. The Southern area of the mine consists of Dunn Creek, Trap Gully and The Hut pits. The fourth pit, Boundary Hill, is located 20 kilometres to the north-west. Callide currently employs approximately 450 people (excluding contractors). The mine uses both dragline and truck and shovel methods of overburden removal.