Coal use by the nation's railroads : hearings before the Subcommittee on Energy and Mineral Resources of the Committee on Energy and Natural Resources, United States Senate, Ninety eighth Congress, first and second session, on the reintroduction of coal as fuel for railroad locomotives, Roanoke, VA, November 28, 1983; Washington, D.C., December 20, 1983; Richmond, VA, January 19, 1984.

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