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Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941
| Author: | Fieldner, Arno Carl |
|---|---|
| Year: | 1941 |
| Document Type: | N/A |
| SUDOC: | I 28.27:7190 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 7190 |
| Subjects: | Coal. |
| Coal mines and mining -- United States. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67018/ |
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