Mine escapeways.
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| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy,
1986.
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| Series: | Safety manual (National Mine Health and Safety Academy) ;
11. |
| Subjects: |
| Item Description: | Distributed to depository libraries in microfiche. |
|---|---|
| Physical Description: | 24 pages : illustrations ; 18 cm. |
| Bibliography: | Bibliography: page 22. |