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Evaluation of structures for roof-fall areas
| Author: | Allwes, Richard A. |
|---|---|
| Additional Authors: | Mangelsdorf, C. P. |
| Year: | 1992 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9414 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 9414 |
| Subjects: | Mine roof control |
| Metal arches--Testing | |
| Links: | no.9414 1992 |
| https://hdl.handle.net/2027/mdp.39015077558628 |
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