More likely steadier Central Appalachian coal prices and rising...

More likely steadier Central Appalachian coal prices and rising futures have helped combined with a stronger Aussie. This has been brought about by a rise in March of Columbian coal prices.
http://www.cmegroup.com/trading/energy/coal/central-appalachian-coal.html
http://www.indexmundi.com/commodities/?commodity=colombian-coal

Also hopes of using Phillipson coal for SA power stations has improved and Leigh Creek coal is running down.
http://www.theguardian.com/australi...-and-coal-mine-to-close-with-loss-of-440-jobs
http://www.adelaidenow.com.au/busin...or-power-station/story-e6fredel-1226510991738

In a 2004 overview of the state's coal deposits, Department of Minerals and Energy South Australia stated that applications were under consideration for the:

• Lake Phillipson coal deposit, which has an estimated 5,000 million tonnes of coal though it notes it has "high sodium and chlorine levels (about 2%); http://www.sourcewatch.org/index.php/South_Australia_and_coal