Seasonal variation in respirable dust concentration in U.S. coal mines /
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| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Pittsburgh, Pa. :
U.S. Dept. of the Interior, Bureau of Mines,
1986.
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| Series: | Report of investigations (United States. Bureau of Mines)
9014. |
| Subjects: |