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Load loss from rock-bolt anchor creep
| Author: | Parsons, Edward W. |
|---|---|
| Additional Authors: | Osen, Lars. |
| Year: | 1969 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:7220 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 7220 |
| Subject: | Mine roof bolting |
| Links: | https://hdl.handle.net/2027/mdp.39015078538116 |
| no.7201-7220 1968-1969 |
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