Author: | Vaught, Charles |
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Additional Authors: | Wiehagen, William J., Brnich, Michael J., Jr., Cole, Henry P. |
Year: | 1993 |
Document Type: | N/A |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 695 |
Link: | https://digital.library.unt.edu/ark:/67531/metadc12835/ |