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Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia
| Author: | Bench, Bernard M. |
|---|---|
| Additional Authors: | Diamond, W. P., McCulloch, C. M. |
| Year: | 1977 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8217 |
| Series: | Report of investigations - Bureau of Mines ; |
| Report Number: | 8217 |
| Subjects: | Coal mines and mining--Pennsylvania |
| Mining geology | |
| Coal mines and mining--West Virginia | |
| Link: | https://hdl.handle.net/2027/mdp.39015078472878 |
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