Author: | Barkley, J. F. |
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Additional Authors: | Burdick, L. R. |
Year: | 1953 |
Document Type: | N/A |
SUDOC: | I 28.23:4936 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 4936 |
Subjects: | Anthracite coal industry. |
Anthratube testing. | |
Anthratube testing methods. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38592/ |