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Subsidence over the end of a longwall panel /
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| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Unknown |
| Language: | English |
| Published: |
Washington, DC :
United States Dept. of the Interior, Bureau of Mines,
1991.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
9338. |
| Subjects: | |
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