Blind pneumatic stowing in voids in abandoned mines /
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| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | Unknown |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1990.
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| Series: | Information circular (United States. Bureau of Mines) ;
9268. |
| Subjects: | |
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