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Structure in Paleozoic Bituminous Coals
| Author: | Thiessen, Reinhardt |
|---|---|
| Year: | 1920 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 117 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12323/ |
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