Mining giants Rio Tinto and BHP Billiton say they have no intention of taking up the state government's offer to change how they pay the controversial iron ore lease rental that Nationals WA leader Brendon Grylls wants to hike.
Mining giants Rio Tinto and BHP Billiton say they have no intention of taking up the state government's offer to change how they pay the controversial iron ore lease rental that Nationals WA leader Brendon Grylls wants to hike.