| Author: | Vaught, Charles |
|---|---|
| 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/ |