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Avoiding Anchorage problems with resin-grouted roof bolts
| Author: | Pettibone, Howard C. |
|---|---|
| Year: | 1987 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9129 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 9129 |
| Subject: | Mine roof bolts, Resin |
| Link: | https://hdl.handle.net/2027/mdp.39015078479162 |
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