Design practices for multiple-seam longwall mines
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1993
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Series: | Information circular (United States. Bureau of Mines)
9360 |
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Item Description: | Distributed to depository libraries in microfiche Shipping list no.: 94-0272-M |
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Physical Description: | ii, 35 p. : ill. ; 28 cm |
Bibliography: | Includes bibliographical references (p. 34-35) |