Escape capsules in underground coal mines.
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Format: | Government Document Online Book |
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Language: | English |
Published: |
[U.S. Department of Labor, Mine Safety and Health Administration],
2012
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Series: | Program information bulletin ; |
Subjects: | |
Online Access: | http://purl.fdlp.gov/GPO/gpo80671 |
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Physical Description: | 1 online resource (3 pages). |
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