Author: | Adams, W. W. |
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Year: | 1939 |
Document Type: | N/A |
Issuing Agency: | United States. Bureau of Mines. |
SUDOC: | I 28.3 |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 422 |
Subjects: | Mine accidents -- United States -- Statistics -- Periodicals. |
Mineral industries -- Accidents -- United States -- Statistics -- Periodicals. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc12584/ |