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Stereographic method of determining whether planes of weakness transect pillars
| Author: | Touseull, Jack A. |
|---|---|
| Year: | 1977 |
| Document Type: | BMRA |
| Issuing Agency: | Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8232 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 8232 |
| Subjects: | Pillaring (Mining) |
| Strength of materials | |
| Link: | https://hdl.handle.net/2027/mdp.39015078483123 |
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