americaspower:
Two men in world's largest dragline bucket
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Huge trucks holds 240 tons of coal
americaspower:
World's largest dragline bucket in action
americaspower:
Vastness of the Black Thunder Coal Mine
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basinn
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Vastness of the Black Thunder Mine
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Control unit of world's largest dragline excavator
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin
americaspower:
Black Thunder Mine in Wyoming's Powder River Basin