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Ventilation eddy zones at a model coal mine working face /
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| Main Author: | |
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Dept. of the Interior, Bureau of Mines,
[1974].
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| Series: | Report of investigations (United States. Bureau of Mines) ;
7991 |
| Subjects: | |
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