In this Nov. 9, 2010 photo, Signal Peak Energy President and CEO John DeMichiei, right, and Safety Manager Tom Rice direct others through the Bull Mountain mine in Roundup, Mont. Bull M

 

              In this Nov. 9, 2010 photo, Signal Peak Energy President and CEO John DeMichiei, right, and Safety Manager Tom Rice direct others through the Bull Mountain mine in Roundup, Mont. Bull M
In this Nov. 9, 2010 photo, Signal Peak Energy President and CEO John DeMichiei, right, and Safety Manager Tom Rice direct others through the Bull Mountain mine in Roundup, Mont. Bull Mountain and other export mines in Wyoming and Montana represent a bet that overseas sales could reverse the U.S. coal industry's downward spiral. (AP Photo/Janie Osborne)