Complex sentence: The Mawson Plateau is an undulating 71 km² granite plateau of about 600/750m altitude, it is dissected by Saucepan Creek and the Granite Plateau Creek; both are tributaries of the Hamilton Creek.
Split into simpler sentences: The Mawson Plateau is an undulating 71 km² granite plateau of about 600/750m altitude. It is dissected by Saucepan Creek and the Granite Plateau Creek; both are tributaries of the Hamilton Creek.