Author: | Smith, Allan F. |
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Additional Authors: | Polack, Samuel P., Barthe, Henry P. |
Year: | 1963 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:6221 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 6221 |
Subject: | Coal |
Link: | https://hdl.handle.net/2027/mdp.39015077556119 |