I belive that BHP totaly aquired the Goldsworthy operation in 1993. It may be now considered part of the BHP Iron Ore railroad, which also operates to Port Headland.
Traffic - (1991) 7.5 million tonnes.
Length - 185Km, 1435mm
Rollingstock - 9 diesel locomotives, 234 ore wagons, 15 service vehicles.
Staff - 180