When did the Australian rail freight operator, whose main commodities included Aluminium oxide, become part of QR National?
Australian Railroad Group:  The main commodities hauled by ARG included grain, mineral sands, alumina, bauxite, coal, woodchips, quartz, nickel and iron ore around Western Australia. Aluminium oxide:  It is commonly called alumina, and may also be called aloxide, aloxite, or alundum depending on particular forms or applications.
i don't know