Author: | Crocker, L. |
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Additional Authors: | Davidson, C. F., May, J. T., Seidel, D. C., Edlund, V. E., Cologer, P. C., Witkowsky, D. S., Lien, R. H. |
Year: | |
Document Type: | N/A |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 691 |
Link: | https://digital.library.unt.edu/ark:/67531/metadc12832/ |