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Influence of subjacent gob on longwall development mining in the Upper Kittanning Coalbed of south-central Pennsylvania
| Author: | Bauer, Eric R. |
|---|---|
| Additional Authors: | Chekan, G. J., Sames, Gary P. |
| Year: | 1992 |
| Document Type: | BMRA |
| Issuing Agency: | Bureau of Mines, U.S. Dept. of the Interior, |
| SUDOC: | I 28.22:9403 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 9403 |
| Subjects: | Coal mine waste--Pennsylvania--Ebensburg Region |
| Longwall mining--Pennsylvania--Ebensburg Region | |
| Ground control (Mining)--Pennsylvania--Ebensburg Region | |
| Links: | no.9403 1992 |
| https://hdl.handle.net/2027/mdp.39015077558750 |
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