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Geological features that contribute to ground control problems in underground coal mines
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Main Author: | |
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Corporate Author: | |
Format: | Microfilm Book |
Language: | English |
Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1993.
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Series: | Information circular (United States. Bureau of Mines) ;
9370. |
Physical Description: |
ii, 38 pages : illustrations ; 28 cm. |
Subjects: |
Copy 1 | CMU Storage Gov Pub Microfiche | I 28.27:9370 | Available |
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