| Author: | Fieldner, A. C. |
|---|---|
| Additional Authors: | Selvig, W. A., Reynolds, D. A., Davis, J. D., Thiessen, R., Holmes, C. R. |
| Year: | 1938 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 411 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12576/ |