Author: | Perry, R. E. |
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Additional Authors: | Gandrud, B. W., Riley, H. L., Gayle, J. B. |
Year: | 1958 |
Document Type: | N/A |
SUDOC: | I 28.23:5397 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 5397 |
Subjects: | Coal -- Research. |
Coal -- Alabama. | |
Link: | https://digital.library.unt.edu/ark:/67531/metadc38668/ |