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|
Grouting horizontal drainage holes in coalbeds
| Author: | Aul, George N. |
|---|---|
| Additional Authors: | Cervik, Joseph, |
| Year: | 1979 |
| Document Type: | BMRA |
| Issuing Agency: | Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8375 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 8375 |
| Subjects: | Mine gases |
| Coal mines and mining--Safety measures | |
| Methane | |
| Link: | https://hdl.handle.net/2027/mdp.39015078482117 |
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