Author: | Feldmann, H. F. |
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Additional Authors: | Simons, W. H., Leonardo, M. A. |
Year: | 1970 |
Document Type: | N/A |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 655 |
Link: | https://digital.library.unt.edu/ark:/67531/metadc12802/ |