Future of Federal Coal: Status, Availability, and Impact of Technological Advances in Using Coal to Create Alternative Energy Resources : Oversight Hearing Before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, U.S. House of Representatives, One Hundred Ninth Congress, Second Session, Thursday, May 4, 2006, Volume 4
United States. Congress. House. Committee on Resources. Subcommittee on Energy and Mineral Resources
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