| Author: | Ash, S. H. |
|---|---|
| Additional Authors: | Kennedy, D. O., Felegy, E. W., Dierks, H. A., Huston, K. M., Miller, P. S. |
| Year: | 1955 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 555 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12712/ |