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Characterization of seven United States coal regions. The development of optimal terrace pit coal mining systems [electronic resource]

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Bibliographic Details
Online Access:	Online Access
Corporate Author:	TRW Energy Systems Group (Researcher)
Format:	Government Document Electronic eBook
Language:	English
Published:	Oak Ridge, Tenn. : distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, 1981.
Subjects:	Coal Deposits. Geology. Hydrology. Surface Mining. Comparative Evaluations. Usa. Climates. Coal Mining. Coal Rank. Coal Reserves. Environment. Geography. Land Reclamation. Geologic Deposits. Mineral Resources. Mining. North America. Reserves. Resources. Coal, Lignite, And Peat.

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Call Number:	E 1.99:doe/et/10023-2
E 1.99:doe/et/10023-2	Available