Wyoming Gov. Matt Mead answers a question during a news conference announcing coal lease sales in Wyoming on Tuesday, March 22, 2011, at Cheyenne South High School in Cheyenne, Wyo. The tracts to be ... more 
Wyoming Gov. Matt Mead answers a question during a news conference announcing coal lease sales in Wyoming on Tuesday, March 22, 2011, at Cheyenne South High School in Cheyenne, Wyo. The tracts to be leased contain an estimated 758 million tons of low sulfur coal. Interior Secretary Ken Salazar listens in the back. less 
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Associated Press | Photo By Wyoming Tribune-Eagle, James Brosher
Tue, Mar 22, 2011 7:00 PM EDT