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Cementation of bituminous-coal-mine roof strata.
| Author: | Maize, Earl R. |
|---|---|
| Additional Authors: | Wallace, Joseph J. |
| Year: | 1956 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:5304 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 5304 |
| Subjects: | Mine roof control |
| Coal mines and mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015077553504 |
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