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Longwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed
| Author: | Moore, T. D. |
|---|---|
| Additional Authors: | Kissell, Fred N., Deul, Maurice, |
| Year: | 1976 |
| Document Type: | BMRA |
| Issuing Agency: | Bureau of mines, |
| Series: | Report of investigations - Bureau of Mines ; |
| Report Number: | 8195 |
| Subjects: | Mine ventilation |
| Methane | |
| Links: | https://hdl.handle.net/2027/mdp.39015078473256 |
| https://hdl.handle.net/2027/pst.000029751938 |
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