Micro-seismic method of determining the stability of underground openings / by Leonard Obert and Wilbur I. Duvall.
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| Main Author: | |
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| Corporate Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1957.
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| Series: | Bulletin (United States. Bureau of Mines) ;
573. |
| Subjects: |
PASCAL Offsite
| Call Number: |
TN23 .U4 no. 573
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| TN23 .U4 no. 573 | Available Place a Hold |