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Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania
| Author: | Iannacchione, A. T. |
|---|---|
| Additional Authors: | Ulery, J. P., Hyman, D. M. |
| Year: | 1981 |
| Document Type: | N/A |
| SUDOC: | I 28.23:8575 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 8575 |
| Subjects: | Geology, Stratigraphic. |
| Mine roof control. | |
| Coal mines and mining -- Pennsylvania -- Somerset County -- Safety measures. | |
| Rock mechanics -- Pennsylvania -- Somerset County. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38729/ |
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