Alpha Natural Resources Inc, a leading US coal producer, clarified its third quarter 2009 Cumberland Mine production volumes following incorrect mine production data reported on the Mine Safety and Health Administration website.

The Cumberland Mine in Northern Appalachia produced a total of 1.6 million tons during the third quarter ended September 30th 2009, and year to date production through September 30th 2009 totaled 5.2 million tons.

It said that “The MSHA reported production information is being revised accordingly and should be available on the MSHA public database in the near future. Alpha's shipment volumes and financial performance will be reported in the company's third quarter 2009 earnings release on November 3rd 2009.”

Alpha Natural Resources is one of America's premier coal suppliers with coal production capacity of greater than 90 million tons a year. The company, through its affiliates, employs approximately 6,200 people and operates more than 60 mines and 14 coal preparation facilities in the regions of Northern and Central Appalachia and the Powder River Basin.