Instrumentation procedures for fully grouted rock bolts [microform] / by Joanne L. Johnston and Dennis J. Cox.
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| Format: | Government Document Microfilm Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
United States Dept. of the Interior, Bureau of Mines,
1993.
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| Series: | Information circular (United States. Bureau of Mines) ;
9341. |
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