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Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources
| Author: | Mayercheck, William D. |
|---|---|
| Additional Authors: | Farrar, Richard B., Jaspal, Jasinder S. |
| Year: | 1990 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:9270 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 9270 |
| Subject: | Coal mines and mining--Appalachian Region |
| Link: | https://hdl.handle.net/2027/mdp.39015078458141 |
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