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Strata interactions in multiple-seam mining--two case studies in Pennsylvania
| Author: | Chekan, G. J. |
|---|---|
| Additional Authors: | Matetic, Rudy J., Galek, James A. |
| Year: | 1986 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9056 |
| Series: | Report of investigations / United States Department of theInterior, Bureau of Mines ; |
| Report Number: | 9056 |
| Subjects: | Coal mines and mining--Pennsylvania |
| Pillaring (Mining) | |
| Ground control (Mining) | |
| Mine subsidences--Pennsylvania | |
| Link: | https://hdl.handle.net/2027/mdp.39015078489807 |
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