Leon Teicher, chief executive officer of Cerrejon LLC, Colombia's biggest coal mining enterprise, speaks during an interview in Bogota, Colombia, on...
Leon Teicher, chief executive officer of Cerrejon LLC, Colombia's biggest coal mining enterprise, speaks during an interview in Bogota, Colombia, on...
Leon Teicher, chief executive officer of Cerrejon LLC, Colombia's biggest coal mining enterprise, listens during an interview in Bogota, Colombia, on...
Leon Teicher, chief executive officer of Cerrejon LLC, Colombia's biggest coal mining enterprise, speaks during an interview in Bogota, Colombia, on...
Leon Teicher, chief executive officer of Cerrejon LLC, Colombia's biggest coal mining enterprise, speaks during an interview in Bogota, Colombia, on...
Extracted coal waits to be shipped at the Mountain Coal Company colliery in the mountains near Paonia, Colorado, U.S., on Thursday, July 30, 2009....
Coal is extracted at a Mountain Coal Company colliery in the mountains near Paonia, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds...
Coal is extracted at a Mountain Coal Company colliery in the mountains near Paonia, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds...
Coal is extracted at a Mountain Coal Company colliery in the mountains near Paonia, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds...
Caterpillar track loader sits on a pile of extracted coal at the Mountain Coal Company colliery in the mountains near Paonia, Colorado, U.S., on...
Coal is extracted at an Oxbow Mining colliery in Somerset, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds the world's largest...
Extracted coal is loaded into Union Pacific train cars at an Oxbow Mining colliery in Somerset, Colorado, U.S., on Thursday, July 30, 2009. The U.S.,...
Extracted coal waits to be transported at an Oxbow Mining colliery in Somerset, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds the...
Coal is extracted at an Oxbow Mining colliery in Somerset, Colorado, U.S., on Thursday, July 30, 2009. The U.S., which holds the world's largest...
Andrew Michelmore, chief executive officer and managing director of OZ Minerals Ltd., poses for a photograph at the viewing area of the open pit mine...
Aubrey Cutlan, a coal miner, leaves the mine entrance after finishing his shift at Aberpergwm Colliery outside Glynneath village in Wales, U.K., on...煤礦