For cross-national comparisons, one short ton equates to 0.9072 metric tonnes.
Coal Services provided the Australian longwall production data, while Weir International supplied the data for America’s longwall mines.
The US mines are ranked by productivity while the Australian mines are ranked in alphabetical order.
Please click on the PDF documents to the right of the screen under related links and downloads to view the production tables.
UPDATE: Australian longwall production statistics have been revised. Other stat stories have been adjusted accordingly.