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The reserve base of bituminous coal and anthracite for underground mining in the eastern United States,
| Year: | 1974 |
|---|---|
| Document Type: | USBI |
| SUDOC: | I 28.27:8655 |
| Series: | United States. Bureau of Mines. Information circular |
| Report Number: | 8655. |
| Subjects: | Coal mines and mining--United States--Statistics |
| Anthracite coal--United States--Statistics | |
| Bituminous coal--Statistics | |
| Link: | https://hdl.handle.net/2027/mdp.39015078463042 |
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