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Mitigating destructive longwall bumps through conventional gate entry design /
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| Other Authors: | |
|---|---|
| Format: | Unknown |
| Language: | English |
| Published: |
Pgh. [i.e. Pittsburgh] PA :
United States Dept. of the Interior, Bureau of Mines,
1990.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
9325. |
| Subjects: | |
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