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Subjects
Safety measures, Coal mines and mining, SandstoneEdition | Availability |
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Sandstone channels, their influence on roof control in coal mines
1978, Dept. of Labor, Mine Safety and Health Administration
in English
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Book Details
Edition Notes
Includes bibliographical references
The Physical Object
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January 20, 2010 | Edited by WorkBot | add subjects and covers |
December 11, 2009 | Created by WorkBot | add works page |