Roof-fall resupport accidents : a study /
| Main Authors: | , , |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Dept. of the Interior, Bureau of Mines,
1976.
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| Series: | Information circular (United States. Bureau of Mines) ;
8723. |
| Subjects: |
| Physical Description: | 2 unnumbered pages, iii, 94 pages : illustrations ; 27 cm. |
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