Author: | Barkley, J. F. |
---|---|
Additional Authors: | Cheasley, Thomas C., Waddell, K. M. |
Year: | 1947 |
Document Type: | N/A |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 466 |
Link: | https://digital.library.unt.edu/ark:/67531/metadc12626/ |