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Thickness of Bituminous-Coal and Lignite Seams at All Mines and Thickness of Overburden at Strip Mines in the United States in 1950
| Author: | Young, W. H. |
|---|---|
| Year: | 1952 |
| Document Type: | N/A |
| SUDOC: | I 28.27:7642 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 7642 |
| Subjects: | Bituminous coal -- United States. |
| Strip mining -- United States. | |
| Lignite -- United States. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67062/ |
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