Author: | Toenges, Albert L. |
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Additional Authors: | Crentz, W. L., Parks, B. C. |
Year: | 1951 |
Document Type: | N/A |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 502 |
Link: | https://digital.library.unt.edu/ark:/67531/metadc12661/ |