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Bibliography and index of U.S. Geological publications relating to coal, 1971-1975

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Authors and Corporations: Walker, Flora K. (Author)
Type of Resource: Book
Language: English
Washington U. S. Department of the Interior 1976
Series: United States Geological Survey: Geological Survey circular ; 742
Source: Verbunddaten SWB
Call number: 77.2780 4.