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Geologic investigations of underground coal mining problems
| Author: | McCulloch, C. M. |
|---|---|
| Additional Authors: | Jeran, P. W.,, Sullivan, C. D., |
| Year: | 1975 |
| Document Type: | BMRA |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.23:8022 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 8022 |
| Subject: | Coal mines and mining |
| Link: | https://hdl.handle.net/2027/mdp.39015078484931 |
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