Longwall gate road roof instability and methods of control in the lower Kittanning Coalbed of Central Pennsylvania / by E.R. Bauer, J.M. Listak, and E.D. Krupa.
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| Main Author: | |
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| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1992.
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| Series: | Information circular (United States. Bureau of Mines) ;
9331. |
| Subjects: |
Internet
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| Call Number: |
TN295 .U4 TN288
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| TN295 .U4 TN288 | Available Place a Hold |