Design of underground openings in competent rock / by Leonard Obert, Wilbur I. Duvall, and Robert H. Merrill.
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| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Bureau of Mines,
1960.
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| Series: | Bulletin (United States. Bureau of Mines) ;
587. |
| Subjects: |
PASCAL Offsite
| Call Number: |
TN23 .U4 no.587
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| TN23 .U4 no.587 | Available Place a Hold |