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Thickness of Bituminous Coal and Lignite Seams Mined in 1965
| Author: | Young, W. H. |
|---|---|
| Year: | 1967 |
| Document Type: | N/A |
| SUDOC: | I 28.27:8345 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 8345 |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67133/ |
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